CPM Homework Help : AC Problem 3-5

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Home > AC > Chapter 3 > Lesson 3.1.1 > Problem 3-5

3-5.

Evaluate the expressions below for the given values.

$3(2x + 1)\ \text{for}\ x = −8$
Hint (a):
Substitute the given value for $x$ and solve.
$3(2(−8)+1)=3(−15)$
Answer (a):
$−45$

$\frac{\left(x-6\right)}{4}-1\ \text{for}\ x=-14$
Hint (b):
See the hint in part (a).
Answer (b):
$−6$

$−2m^2 + 10 \ \text{for}\ m = −6$
Hint (c):
See the hint in part (a).

$k · k ÷ k · k ÷ k\ \text{for}\ k = 9$
Hint (d):
See the hint in part (a).

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