How to find absolute value

Practice Questions

PSAT Math › How to find absolute value

Questions

6

1

Let and both be negative numbers such that $\left | 2a-3 \right |=5$ and $\left | 3-4b \right |=11$ . What is $\left | b-a \right |$ ?

2

If $f(x)=\left | x^{3}-36 \right |$ , what is the value of ?

3

$\small \textup{If}:\left | 3x-4\right |<5, \textup{which must be true for the value of}:x\textup{?}$

4

Evaluate $\left | y^2-y\right |$ if .

5

How many of these statements are correct?

I) $| 0.8 | \leq 0.8$

II) $| 0.8 | \leq -0.8$

III) $| -0.8 | \leq 0.8$

IV) $| -0.8 | \leq -0.8$

6

For which of the following functions below does f(x) = |f(x)| for every value of x within its domain?

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