Savvas Topic 5-1 to 5-7 Review (Show work on all subtractions :)

A statement that the values of two mathematical expressions are equal.

• equation

• operations

• variable

• algebraic expression

−8(1 + 5x)

• -8 + 40x

• 8 + 40x

• -8 – 40x

• 8 – 40x

−7(k − 8) – 2k

• -9k - 56

• -9k - 8

• 56k - 9

• −9k + 56

9 + 5r − 9r

• 4r + 9

• -4r - 9

• -4r + 9

• 5r

Factor. 27 – 9x + 15y

• 9(3 – x + 15y)

• 3(9 – 3x + 5y)

• 2(13 – 5x + 7y)

• 3(9 – 9x + 5y)

1 + 7(1 − 3b)

• -3b + 9

• 21b + 8

• -3b + 7

• -21b + 8

Factor. 45c + 10d

• 45(c + 10d)

• 5(9c + 2d)

• 5cd(9 + 2)

• 2(22.5c + 5d)

−2(7 − n) + 4

• -n + 18

• -2n - 10

• -n + 9

• 2n - 10

−4p − (1 − 6p)

• -10p

• 2p − 1

• -10p -1

• -2p - 4

−6(a + 8)

• -6a + 8

• -6a - 48

• -6a + 2

• 6a + 48