### Home > ACC7 > Chapter cc33 > Lesson cc33.2.3 > Problem3-95

3-95.

Evaluate the expressions below for the given values. Homework Help ✎

1. $30−2x$ for $x=−6$

Substitute in $−6$ for $x$.

$30−2(−6)$

Evaluate

$42$

1. $x^2+2x$ for $x=−3$

Follow the steps in part (a).

1. $-\frac{1}{2}x+9$ for $x=−6$

Follow the steps in part (a).

$12$

1. $\sqrt { k }$ for $k=9$

Follow the steps in part (a).

$3$