Act Math Practice

Pre-Algebra Answer 4

Pre-Algebra Answer 4:

4. | Ö4 - 12 | = ?

F. -8

G. -10

H. 8

J. 10

K. 12

The correct answer is J.

This problem includes the concept of absolute value.

REMEMBER: Absolute values are always positive numbers.

Example: | -17 | = 17

For this problem, you should solve for the square root first:

Ö4 = 2

Now substitute 2 in the equation in the place of Ö4:

| Ö4 - 12 | =
| 2 - 12 | =
| -10 | = 10

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