Lessons Review

Factor the expression to find the equivalent expression: 9m - 36

• 9(m - 36)

• 9(m - 4)

• 9(m + 4)

• -9(m + 4)

Which expression is equivalent to 3x - (2x + 4) + 5

• x + 9

• x + 1

• 5x + 9

• 5x + 1

Which expression is equivalent to -2(-2x + 4y)

• -4x - 8y

• 4x + 4y

• 4x - 8y

• -4x + 4y

Simplify by combining like terms: -12p + 30 + 20p - 24

• -22p + 6

• 14p

• 8p + 6

• 6p + 8

Which expression is equivalent to

 $\frac{1}{2}\left(2n\ +\ 6\right)$  

•  $\frac{1}{2}\ +\ 2n\ +\ 6$  

•  $2\ \frac{1}{2}n\ +\ 6\ \frac{1}{2}$  

• n + 6

• n + 3