Q&A for How to Find the Absolute Value of a Number

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What is the absolute value of -(-2)?

Donagan

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-(-2) = +2. The absolute value is 2.

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What is the absolute value of 2 * 2/2?

Donagan

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|[(2)(2)] / 2| = |4/2| = |2| = 2.

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How do I find the value of f(-1) if f(x) = 7 squared + 2x +14?

Donagan

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Substitute (-1) for each x in the expression. You have written f(x) = 7² + 2x + 14. That simplifies to 2x + 63. Substituting (-1) for x makes f(-1) = (-2) + 63 = 61. If you meant to write that f(x) = 7x² + 2x + 14, then f(-1) = 7(-1)² + 2(-1) + 14 = 7 - 2 + 14 = 19.

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What is the absolute value of 7?

Donagan

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|7| = 7.

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The number 41386 is given. In a different number, the 8 represents a value of the 8 in 41386. What value is represented by the 8 in the other numbers?

Donagan

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In the given number the 8 represents a value of 80.

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What is the absolute value of 3 - √26?

Donagan

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3 - √26 = -2.1. The absolute value of -2.1 is 2.1.

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What is the absolute value of -4 2/3?

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The absolute value of -4 2/3 is 4 2/3.

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What is the absolute value of -[-4]?

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-[-4] = +4. The absolute value of +4 is 4.

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What is the result of |3.2| + |-3.2| + [3.2] + [-3.2]?

I_l1ke_gam3s

Community Answer

The absolute value of both 3.2 and -3.2 is 3.2. Therefore, the sum is 3.2 + 3.2 + 3.2 + 3.2 = 12.8.

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What is the absolute value of -136 and 61?

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The absolute value of 61 is 61, and the absolute value of -136 is 136.

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What is the absolute value of 6 - 2?

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6 - 2 = 4. The absolute value of 4 is 4, as absolute value is always positive.

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What is the absolute value of 8 - 6i?

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Community Answer

To find the absolute value of 8 - 6i, square the coefficients of the imaginary number (8 and -6), add them, and take the square root: $8^2 + (-6)^2 = 64 + 36 = 100$. The square root of 100 is 10, so the absolute value is 10.

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The answer provided in Step 6 for the absolute value doesn't make sense to me. What am I doing wrong?

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The total of everything inside the absolute value bars is -19, and the absolute value of -19 is 19.

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What is the absolute value of -8.5?

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The absolute value of -8.5 is 8.5.

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Can you show me how to solve this: |15 - 3x| = 6?

Community Answer

That equation is really two equations: (15 - 3x) = 6 and -(15 - 3x) = 6. Solve each equation for x, and you find that x = 3 in one equation and 7 in the other. x has two distinct values when presented inside absolute value bars.

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What is the absolute value of 25?

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The absolute value of 25 is 25. The absolute value of a number is always positive.

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What is the absolute value of (5-8)?

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5 - 8 = -3. The absolute value of -3 is 3.

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What does it mean when two numbers have an absolute value of 16, and which of the two numbers is greater than 12?

I_l1ke_gam3s

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Both +16 and -16 have an absolute value of 16, but only +16 is greater than 12.

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What is the absolute value of -1.2?

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The absolute value of -1.2 is 1.2.

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What is the absolute value of 7 - 4i?

I_l1ke_gam3s

Community Answer

To find the absolute value of a complex number like 7 - 4i, square both the real and imaginary parts, add them, and then take the square root. So, 7^2 + (-4)^2 = 49 + 16 = 65. The square root of 65 gives you the absolute value, approximately 8.06.

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What is the absolute value of 12?

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The absolute value of 12 is 12, because the absolute value of a number makes it positive.

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What is the absolute value of -|-7|?

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The absolute value of |-7| is 7 because the absolute value makes any number positive. However, with the negation outside the absolute value, this answer yields an answer of -7 (since you multiply the original answer (7) by the implied -1).

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What is the absolute value of -3/2?

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The absolute value of -3/2 is 3/2, as the absolute value of a number always turns it positive.

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What is the value of 5 divided by the absolute value of 5?

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The absolute value of 5 is 5. Absolute value represents the distance from 0 on the number line, which is always positive. When the original 5 is divided by the absolute value of 5 is 5, this yields 5/5, which then equals 1.

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How do I find the absolute value of a variable? Also, I am struggling to understand absolute values of linear equations.

Community Answer

A variable does not have an absolute value. Neither does an equation. Only a specific number has an absolute value. If you are asked to find the absolute value of a variable, you would first have to find the specific number value of that variable before you could identify its absolute value. As for an equation, it simply does not have an absolute value. (An equation is the relationship between two or more values.)

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What is the absolute value of 170 - 75?

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170 - 75 = 95. The absolute value of 95 is 95. (The absolute value of any positive number is that number.)

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What’s the absolute value of -7 1/2?

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The absolute value of -x is x. The absolute value of - 7 1/2 is 7 1/2.

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What if it is a whole number and a fraction like 4 1/4?

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It doesn't matter. The absolute value of any number -- a whole number, a fraction, a mixed number, a number with a decimal -- is that number. The absolute value of x is x. (If the number is negative, the absolute value is the positive version of that number. The absolute value of -x is x.)

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What is the absolute value of -|-13/18|?

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Apparently, you are asking about the absolute value of an absolute value. The absolute value of any number has no positive or negative sign. (It is merely a numerical distance from zero on a number line.) Therefore, the absolute value of -|-13/18| is |-13/18|, which equals 13/18.

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What is the absolute values of -⅗?

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The absolute value of -3/5 is 3/5. If you remember from the article, the absolute value of a number makes it positive.

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