5.4. Absolute values and the triangle inequality. The triangle inequality is a very simple inequality that turns out to be extremely useful. It relates the absolute value of the sum of numbers to the absolute values of those numbers. So before we state it, we should formalise the absolute value function.So this, this is x equals negative two, satisfies our inequality. The absolute value of negative two is going to be less than the absolute value of negative seven. Then, finally, x equals six. So the absolute value is the absolute value of six. Once again, everywhere I see the x I just put the six there. X equals six. its distance from zero on the number line. * For the notation, we use two big vertical lines. Check it out: Find the absolute value of 4: Find the absolute value of -5: continue. 1. of 2. This prealgebra lesson defines and explains how to find the absolute value of a number. Transcript. Absolute value is a fundamental math concept that measures the distance of a number from zero, regardless of its sign. It's always a positive value, as it represents the magnitude of a number without considering its direction. This concept is useful in real-world applications, such as calculating distances and comparing heights.When two functions mirror each other like that, they are said to be conjugate. For example, when x=2, abs (x) will give 2, so: (x,y)= (2,2) the conjugate of two is (the second term is …Question 764709: Find the absolute value of the complex number 4 + 4i Find the absolute value of the complex number -3 - 6i Find the absolute value of the complex number 5 - 4i. Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website! Rule: |a+bi| = sqrt[a^2+b^2] What is the modulus (absolute value) of − 6 + 4 i ? Don't round. If necessary, express your answer as a radical. | − 6 + 4 i | =. Report a problem. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a ... More Examples. Here are some more examples of how to handle absolute values: |−3×6| = 18. Because −3 × 6 = −18, and |−18| = 18. −|5−2| = −3. Because 5−2 = 3 and then the …Find the Absolute Value of ... Calculator. Input any integer or decimal value into ourAbsolute Value Calculator. You can type a fraction by typing the numerator then '/' then the denominator. Examples: 3/4 (three-quarters); 2/5 (two-fifths); 4/9 (four nineths). You can type a mixed number by typing the number part, then a space then the fraction.Integrating an Absolute Value Z 4 0 jx3 5x2 + 6xjdx There is no anti-derivative for an absolute value; however, we know it's de nition. jxj= ˆ x if x 0 x elsewise Thus we can split up our integral depending on where x3 5x2 + 6x is non-negative. x3 5x2 + 6x 0: x(x2 5x+ 6) 0: x(x 2)(x 3) 0:2. Make the number in the absolute value sign positive. At its most simple, absolute value makes any number positive. It is useful for measuring distance, or finding values in finances where you work with negative numbers like debt or loans. [2] 3. Use simple, vertical bars to show absolute value.Question 764709: Find the absolute value of the complex number 4 + 4i Find the absolute value of the complex number -3 - 6i Find the absolute value of the complex number 5 - 4i. Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website! Rule: |a+bi| = sqrt[a^2+b^2] If you have a positive value in the absolute value sign, it just is itself. The absolute value of 2 is 2. Then we have the absolute value of 5 minus 15. Well, that's going to be the same thing as the absolute value. 5 minus 15 is negative 10, so it's the same thing as the absolute value of negative 10. Now, there's two ways you can think about it. Simplify the expression. three tenths squared minus 17 plus the quantity negative 7 divided by the absolute value of 4.3 minus 7.8 end quantity times 2.67 This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts.profile. SuttonSamantha. The numbers that have an absolute value of 4.6 are 4.6 and -4.6. This is because absolute value refers to the distance a number is from zero on the number line, regardless of direction. In Mathematics, the absolute value of a number is its distance from zero on the number line and is always nonnegative.Comparing absolute values. Comparing absolute values helps us understand the distance between numbers and zero on the number line. The absolute value is always positive or zero, and it represents the magnitude of a number. By comparing absolute values, we can determine which number is further from zero, regardless of its positive or negative ...The absolute value of a number is its unsigned magnitude. For example, ABS(-1) and ABS(1) both return 1. Example. This example uses the Abs function to compute the absolute value of a number. Dim MyNumber MyNumber = Abs(50.3) ' Returns 50.3. MyNumber = Abs(-50.3) ' Returns 50.3. See also. Functions (Visual Basic for Applications) Support and ...The complex number is, We know that, The absolute value of a complex number x + iy, is defined as the distance between the origin (0, 0) and the point (x, y) in the complex plane. Its value is calculated by, Now, by using the above formula the absolute value of the complex number is, ⇒ =. To learn more about absolute value visit:The number doctors look at is called your absolute neutrophil count (ANC). For a healthy person, the normal range for an ANC is between 2,500 and 6,000. The ANC is found by multiplying the WBC count by the percent of neutrophils in the blood. For instance, if the WBC count is 8,000 and 50% of the WBCs are neutrophils, the ANC is 4,000 (8,000 × ...What is the modulus (absolute value) of − 6 + 4 i ? Don't round. If necessary, express your answer as a radical. | − 6 + 4 i | =. Report a problem. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a ...When a function has a vertex, the letters h and k are used to represent the coordinates of the vertex. Because an absolute value function has a vertex, the general form is y = a0x-h0 + k.The vertical stretch or compression factor is 0a 0, the vertex is located at (h, k), and the axis of symmetry is the line x = h.Key Concept General Form of the Absolute Value FunctionClick here 👆 to get an answer to your question ️ Select all numbers that have an absolute value of 4. See what teachers have to say about Brainly's new learning tools! WATCH. close. Skip to main content. search ... 4 & -4. Absolute (denoted by the vertical bars) means that everything between them is converted to non-negative ...Interpreting absolute value. In this weight change scenario, three individuals track their monthly progress. Jenna experiences a 3-pound weight loss, while Sarah gains 2.5 pounds and Bill gains 4 pounds. By plotting these changes on a number line, we can determine that Jenna lost the most weight, Bill had the largest change, and Sarah had the ...Absolute. Menu Path : Operator > Math > Arithmetic > Absolute The Absolute Operator calculates the absolute value of the input. For example, an input value of (4 ,0, -4) outputs (4, 0, 4). This Operator accepts input values of various types. For the list of types this Operator can use, see Available Types.. Operator propertiesWe could say that the absolute value of a number is its purely arithmetical value. Here is the algebraic definition of | x |: If x ≥ 0, then | x | = x; if x < 0, then | x | = − x. That is, if x is non-negative: |3|, then the absolute value is the number itself. If x is negative: |−3|, then the absolute value is its negative; that makes ...Interpreting absolute value. In this weight change scenario, three individuals track their monthly progress. Jenna experiences a 3-pound weight loss, while Sarah gains 2.5 pounds and Bill gains 4 pounds. By plotting these changes on a number line, we can determine that Jenna lost the most weight, Bill had the largest change, and Sarah had the ...Join with Mr. B as we understand opposite numbers and absolute values. In this mathematics tutorial you'll find a visual mini-lesson along with practice and ... Free Absolute Value Calculator - Simplify absolute value expressions using algebraic rules step-by-step 23P. Step-by-step solution. Step 1 of 5. Write down the 4-bit binary number be . For a positive number , . If given is negative, . The last bit is 1, then two's complement is to be taken of the input . Two's complement number is to be represented as follows: If the number is negative, the last bit is 1.There is a great trick to calculate the absolute value of a 2s-complement integer without using an if statement. The theory goes, if the value is negative you want to toggle the bits and add one, otherwise you want to pass the bits through as is. A XOR 1 happens to toggle A and A XOR 0 happens to leave A intact. So you want do something like this:4.1: Piecewise-Defined Functions In preparation for the definition of the absolute value function, it is extremely important to have a good grasp of the concept of a piecewise-defined function. 4.2: Absolute Value The absolute value of a number is a measure of its magnitude, sans (without) its sign. 4.3: Absolute Value Equations4.9: Absolute Value Functions. There are a few ways to describe what is meant by the absolute value | x | of a real number x. You may have been taught that | x | is the distance from the real number x to 0 on the number line. So, for example, | 5 | = 5 and | − 5 | = 5, since each is 5 units from 0 on the number line.Express this set of numbers using absolute value notation. 6. Describe all numbers x that are at a distance of 2 1 from the number -4 . Express this set of numbers using absolute value notation. 7. Describe the situation in which the distance that point x is from 10 is at least 15 units. Express this set of numbers using absolute value notation.The absolute value of #4 + 7i# is #sqrt65#. Explanation: The absolute value of a complex number in the form #a + bi# is found using this process: #sqrt(a^2 + b^2)# .How to simplify absolute value with negatives. The opposite of absolute values of real numbers. Be careful with the order of operations when simplifying expr...Study with Quizlet and memorize flashcards containing terms like The standard form of an absolute value function is mc002-1.jpg. Which of the following represents the vertex?, Which of the following is the graph of f(x) = |x| translated 2 units right, 2 units up, and dilated by a factor of mc018-1.jpg?, What is the range of the absolute value function below? mc009-1.jpg and more.The absolute value function f ( x ) is defined by. f ( x ) = | x | = {-x, x<0 0, x=0 x, x>0. is called an absolute value function. It is also called a modulus function. We observe that the domain of the absolute function is the set R of all real numbers and the range is the set of all non-negative real numbers. Solution. First, set the expression inside the absolute value bars equal to zero and solve for x. Note that x − 2 = 0 at x = 2. This is the “critical value” for this expression. Draw a real line and mark this critical value of x on the line. Place the expression x − 2 below the line at its left end. Absolute Value Transformations of other Parent Functions. Now let's look at taking the absolute value of functions, both on the outside (affecting the $ y$'s) and the inside (affecting the $ x$'s).We'll start out with a function of points. Note that with the absolute value on the outside (affecting the $ \boldsymbol{y}$'s), we just take all negative $ \boldsymbol{y}$-values and make ...The absolute value function is commonly thought of as providing the distance the number is from zero on a number line. Algebraically, for whatever the input value is, the output is the value without regard to sign. Absolute Value Function. The absolute value function can be defined as a piecewise function.This lesson is about graphing an absolute value function when the expression inside the absolute value symbol is linear. It is linear if the variable “[latex]x[/latex]” has a power of [latex]1[/latex]. The graph of absolute value function has a shape of “V” or inverted “V”. Absolute Value Function in Equation Form.The absolute value of a number tells us its distance from 0. The absolute value of -4 is 4, because -4 is 4 units to the left of 0. The absolute value of 4 is also 4, because 4 is 4 …6.NS.C.7.d. In this sixth-grade lesson plan, teachers will help students understand what absolute value is and how to find it with and without a number line. Students will also learn how to compare the absolute values of two numbers, and apply their understanding of absolute value within real-world contexts, such as temperature, elevation, and ...Testing solutions to absolute value inequalities. In this math lesson, we learn how to determine if given values of x satisfy various absolute value inequalities. We examine three different inequalities and test each x value to see if it meets the inequality's conditions.In preparation for the definition of the absolute value function, it is extremely important to have a good grasp of the concept of a piecewise-defined function. 4.1: Piecewise-Defined Functions - Mathematics LibreTextsExplanation: Absolute (denoted by the vertical bars) means that everything between them is converted to non-negative. So | −4| = 4 and so is |4| = 4. Answer link. |4| is allready an absolute value, equal to 4 Absolute (denoted by the vertical bars) means that everything between them is converted to non-negative.The real way to look at absolute values is that they are a number's distance from 0 on the number line: TRY IT: Use a number line to show the answers to these. 1. of 1. What's an Absolute Value? - Cool Math has free online cool math lessons, cool math games and fun math activities. Really clear math lessons (pre-algebra, algebra, precalculus ... 8 others. contributed. The absolute value of a real number is the distance of the number from 0 0 on a number line. The absolute value of x x is written as \left|x\right|. ∣x∣. For example, \left|5\right| = \left|-5\right| = 5. ∣5∣ = ∣−5∣ = 5. This is a special case of the magnitude of a complex number. Before reading this page ... Apr 2, 2024 · For example, the absolute value of 5 is 5, and the absolute value of −5 is also 5. The absolute value of a number may be thought of as its distance from zero along real number line. Furthermore, the absolute value of the difference of two real numbers is the distance between them. The absolute value has the following four fundamental properties: The absolute value of a number a, denoted | a |, is the distance fromn a to 0 on the number line. Absolute value speaks to the question of "how far," and not "which way." The phrase how far implies length, and length is always a nonnegative (zero or positive) quantity. Thus, the absolute value of a number is a nonnegative number. Solution. First, set the expression inside the absolute value bars equal to zero and solve for x. Note that x − 2 = 0 at x = 2. This is the “critical value” for this expression. Draw a real line and mark this critical value of x on the line. Place the expression x − 2 below the line at its left end. To get from −8 − 8 to the answer you really want, just take the absolute value! Thus, absolute value provides a convenient way to talk about the distance between any two real numbers: DISTANCE BETWEEN TWO REAL NUMBERS absolute value of the difference. Let x x and y y be real numbers. Then: |x−y| =the distance between x and y | x − y ...|4-8i|=sqrt{4^2+(-8)^2}=sqrt(16+64)=sqrt80=4sqrt5. Taking, sqrt5~=2.236, |z|~=4xx2.236=8.944 Absolute Value or Modulus |z|of a Complex No. z=x+iy is defined by, |z ...Attempting to isolate the absolute value term is complicated by the fact that there are \textbf{two} terms with absolute values. In this case, it easier to proceed using cases by re-writing the function \(g\) with two separate applications of Definition 2.4 to remove each instance of the absolute values, one at a time. In the first round we getIndefinite Integral of Absolute Value of x? Is there a closed form solution? Ask Question Asked 8 years, 6 months ago. Modified 2 years, 9 months ago. Viewed 50k times 12 $\begingroup$ Been searching the net for awhile and everything just comes back about doing the definite integral. ... rev 2024.4.18.7903 ...So it's negative 2 times the absolute value of x plus 10 is equal to, well the whole point of this, of the 6 times the absolute value of x plus 10 minus 6 times the absolute value of x plus 10 is to make those cancel out, and then you have 10 minus 4, which is equal to 6. Now, we want to solve for the absolute value of x plus 10.The absolute value of a complex number can be found using the Pythagorean theorem. For 4-7i, the absolute value is √65. Explanation: The absolute value of a complex number can be found using the Pythagorean theorem. To find the absolute value of 4-7i, we can treat 4 and -7 as the lengths of the legs of a right triangle.According to theory, we never will.) Absolute zero is at -273.15 Celsius, or -459.67 Fahrenheit. The Kelvin temperature scale uses the same size degree as Celsius, but has its zero set to absolute zero. To convert from Celsius to Kelvin, add 273.15 to the Celsius reading. ... 4.2: liquid helium boils-459.67-273.15: 0: absolute zero:Alternatively, NumPy's np.abs() can convert list elements to their absolute values.. NumPy: Convert array elements to absolute values (np.abs, np.fabs) Difference between math.fabs() and abs(). math.fabs() also returns the absolute value but always as a floating point number (float), unlike abs().Even for integers (int), math.fabs() returns a …1. Set up the equation for the positive value. An equation involving absolute value will have two possible solutions. To set up the positive equation, simply remove the absolute value bars, and solve the equation as normal. [6] For example, the positive equation for is .More Examples. Here are some more examples of how to handle absolute values: |−3×6| = 18. Because −3 × 6 = −18, and |−18| = 18. −|5−2| = −3. Because 5−2 = 3 and then the …To find the absolute value of 4 - 7i, we need to calculate the magnitude of this complex number. The magnitude can be found using the formula √(a² + b²), where 'a' is the real part and 'b' is the imaginary part. For the complex number 4 - 7i, 'a' = 4 and 'b' = -7. Substituting these values into the formula, we have:Finding the Absolute Value of a Complex Number. The first step toward working with a complex number in polar form is to find the absolute value. The absolute value of a complex number is the same as its magnitude, or [latex]|z|[/latex].It measures the distance from the origin to a point in the plane.The absolute value of -4 is 4, because it is four units to the right of zero on the number line. Learn how to simplify, compare and use absolute values with examples and exercises.And just as a reminder, absolute value literally means-- whether we're talking about a complex number or a real number, it literally just means distance away from 0. So the absolute value of 3 minus 4i is going to be the distance between 0, between the origin on the complex plane, and that point, and the point 3 minus 4i.Definitions: The absolute value (or modulus) | x | of a real number x is the non-negative value of x without regard to its sign. For example, the absolute value of 5 is 5, and the absolute value of −5 is also 5. The absolute value of a number may be thought of as its distance from zero along real number line. Furthermore, the absolute value ... Absolute value refers to a point’s distance from zero or origin on the number line, regardless of the direction. The absolute value of a number is always positive. The absolute value of a number is denoted by two vertical lines enclosing the number or expression. For example, the absolute value of the number 5 is written as, |5| = 5. The absolute value of x. If x is negative (including -0), returns -x. Otherwise, returns x. The result is therefore always a positive number or 0. Description. Because abs() is a static method of Math, you always use it as Math.abs(), rather than as a method of a Math object you created (Math is not a constructor).Absolute Value for a number x is denoted by |x|, pronounced as “module x”. Absolute values are only numeric values and do not include the sign of the numeric value. Learn about Absolute valueS in detail, including …Solve Applications with Absolute Value. Absolute value inequalities are often used in the manufacturing process. An item must be made with near perfect specifications. Usually there is a certain tolerance of the difference from the specifications that is allowed. If the difference from the specifications exceeds the tolerance, the item is rejected.The absolute value of the sum of the abscissas of all the points on the line x + y = 4 that lie at a unit distance from the line 4 x + 3 y − 10 = 0 is_____ View Solution If the equations x 2 − 3 x + 4 = 0 and x ( b − 3 x ) + 2 x + a = 0 have a common root then the absolute value of ( a − b ) is equal toCorrect answer: f (x) = x 4 + (1 - x) 2. Explanation: When we take the absolute value of a function, any negative values get changed into positive values. Essentially, | f ( x )| will take all of the negative values of f ( x) and reflect them across the x -axis. However, any values of f ( x) that are positive or equal to zero will not be ...What Is the Absolute Value in Java. Absolute value means a non-negative value of the specified number. For instance, the absolute value of -4 is 4. We use the abs() method of the java.lang.Math package. It takes only one argument of type int, double, float, or long and returns its non-negative (absolute) value.If you take the absolute value of negative 3 and 1/4, you'll get positive 3 and 1/4, which won't work. 3 and 1/4 is greater than 2 and 1/2, so that's true, that works out. And same thing for 3. 2 times 3 is 6, minus 3 and 1/4 is 2 and 3/4. Take the absolute value, it's 2 and 3/4, still bigger than 2 and 1/2, so it won't work.Textbook Question. When 3 times a number is subtracted from 4, the absolute value of the difference is at least 5. Use interval notation to express the set of all numbers that satisfy this condition. Verified Solution. This video solution was recommended by our tutors as helpful for the problem above. 5m.Let's take a look at an easier, well shorter anyway, problem with a different kind of boundary. Example 2 Find the absolute minimum and absolute maximum of f (x,y) = 2x2 −y2 +6y f ( x, y) = 2 x 2 − y 2 + 6 y on the disk of radius 4, x2+y2 ≤ 16 x 2 + y 2 ≤ 16. Show Solution. In both of these examples one of the absolute extrema ...The absolute value of a number a a, denoted |a| | a |, is the distance from a to 0 on the number line. Absolute value answers the question of "how far," and not "which way." The phrase "how far" implies "length" and length is always a nonnegative quantity. Thus, the absolute value of a number is a nonnegative number. Sample Set A.Elsewhere, the out array will retain its original value. Note that if an uninitialized out array is created via the default out=None, locations within it where the condition is False will remain uninitialized. **kwargs. For other keyword-only arguments, see the ufunc docs. Returns: absolute ndarrayAn absolute value inequality is an inequality that contains an absolute value expression. For example, ∣ x < 2 and ∣ ∣ x ∣ > 2 are absolute value inequalities. Recall that x 2 means the distance between ∣ ∣ x and 0 is 2. The inequality x ∣ ∣ > 2 means the distance between x and 0 is greater than 2. than 2.Answer: Option 1 is correct. Explanation: We have been given with the function 4 -7i. To find the absolute value means to find the modulus of the function. And modulus of the function is. Here we have a=4 and b= -7 so substituting the values in the formula we will get. Hence, Option 1 is correct. Option 2 is incorrect because we do not consider ...
For example, the absolute value of 4 is 4 : − 5 − 4 − 3 − 2 − 1 0 1 2 3 4 5 4. This seems kind of obvious. Of course the distance from 0 to 4 is 4 . Where absolute value gets interesting is with negative numbers. For example, the absolute value of − 4 is also 4 : − 5 − 4 − 3 − 2 − 1 0 1 2 3 4 5 4.. Ag church near me
Absolute Value is a boutique search firm that finds outstanding B2B sales and marketing talent for SaaS, information services, and technology-enabled businesses - from senior leadership to individual contributors. The Absolute-Value team is made up of former sales and marketing leaders. We've built high-performing sales and marketing teams ...Mean absolute deviation describes the average distance between the values in a data set and the mean of the set. For example, a data set with a mean average deviation of 3.2 has values that are on average 3.2 units away from the mean. A group of kids in town A has a bake sale every week for 5 weeks, making $40, $40, $50, $55, and $65. Their mean sales are ...Example. What is the absolute value of the following numbers? -4, -18.2, and 17 1/3. -4 – the absolute value is 4, as -4 is four numbers from 0. -18.2 – the …The absolute value of a number or integer is the actual distance of the integer from zero, in a number line. Therefore, the absolute value is always a positive value and not a …2.14 Absolute Value Equations; 2.15 Absolute Value Inequalities; 3. Graphing and Functions. 3.1 Graphing; 3.2 Lines; 3.3 Circles; 3.4 The Definition of a Function; 3.5 Graphing Functions; 3.6 Combining Functions; 3.7 Inverse Functions; 4. Common Graphs. 4.1 Lines, Circles and Piecewise Functions; 4.2 Parabolas; 4.3 Ellipses; 4.4 Hyperbolas; 4.5 ...Simplify absolute value expressions using algebraic rules step-by-step. absolute-value-calculator \left|-5\right| en. Related Symbolab blog posts. High School Math Solutions - Systems of Equations Calculator, Elimination. A system of equations is a collection of two or more equations with the same set of variables. In this blog post,...We can see two scale factors applied to n(x): 3 on the output value and 1/4 for the input value. Applying what we know on vertical and horizontal stretches, we have n(x) = 3·m(1/4 · x). Meaning, n(x) is the result of m(x) being vertically stretched by a scale factor of 3 and horizontally stretched by a scale factor of 1/4.The absolute value of a number is the number without its sign. Syntax. ABS(number) Number is the real number of which you want the absolute value. Example. Col1. Formula. Description (Result)-4 =ABS([Col1]) Absolute value of -4 (4) Need more help? Want more options? Discover Community.The value of x is ± (1/9). Step-by-step explanation: Consider the provided statement. If 3 is added to the absolute value of the product of a number and −9, Now convert this into mathematical form. Let the number is x then the product of number and -9 is -9x. For absolute value we use the mode. Thus the required expression is: 3 + |-9x|In this example, we have the exact same shape as the graph of y = |x| only the "v" shape is upside down now.. Based on the examples we've seen so far, there appears to be a pattern when it comes to graphing absolute value functions.. When you have a function in the form y = |x + h| the graph will move h units to the left. When you have a function in the form y = |x - h| the graph will ...What is absolute value? Absolute value is the distance a number is from 0.. To find the absolute value, place the number on a number line and measure the distance from 0.. For example, What is the absolute value of -2?-2 is 2 away from 0, so the absolute value is 2.. To write this mathematically, use the absolute value symbol, which is two vertical bars around a number or expression: |-2|=2.Free Complex Numbers Calculator - Simplify complex expressions using algebraic rules step-by-stepIn this case, the absolute value of -4 is 4 because both -4 and 4 are located 4 units away from zero in opposite directions. Related Questions. Find the absolute maximum and absolute minimum values of the function f(x)=(x−2)(x−5)^3+11 on each of the indicated.|4-8i|=sqrt{4^2+(-8)^2}=sqrt(16+64)=sqrt80=4sqrt5. Taking, sqrt5~=2.236, |z|~=4xx2.236=8.944 Absolute Value or Modulus |z|of a Complex No. z=x+iy is defined by, |z ...The absolute value of a number a, denoted |a|, is the positive distance between the number and zero on the number line. It is the value of the corresponding "unsigned" number -- that is, the number with the sign removed. Boundary Point A value of the variable that makes the equation true when an equal sign is substituted for an inequality sign ...Explanation: Absolute (denoted by the vertical bars) means that everything between them is converted to non-negative. So | −4| = 4 and so is |4| = 4. Answer link. |4| is allready an absolute value, equal to 4 Absolute (denoted by the vertical bars) means that everything between them is converted to non-negative..