Precalculus Examples

$| 7 x + 2 | > - 2$

Step 1

Since $| 7 x + 2 |$ is always positive and $- 2$ is negative, $| 7 x + 2 |$ is always greater than $- 2$ so the inequality is always true.

All real numbers

Step 2

Convert the inequality to interval notation.

$(- \infty, \infty)$

Step 3