CPM Homework Help : AC Problem 9-9

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Home > AC > Chapter 9 > Lesson 9.1.1 > Problem 9-9

9-9.

Solve the following quadratic equations. Check your solutions, if possible.

$2k^2+k-6=0$
Answer (a):
$k\ =-2 \; \text{or} \; \frac{3}{2}$

$m^2=9$
Answer (b):
$m =\pm3$

$w\left(2w+8\right)=24$
Hint (c):
Make sure to set the equation equal to $0$ .
Answer (c):
$w=2 \; \text{or} \; -6$

$3n^2-4n=5$
Answer (d):
$n\approx-0.79$

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