Algebra Study Guide

Simplify the expression: 3x + 2x

• 5x

• x

• 6x

• 5

5m + 9n if m = -7 and n = 4

• 71

• 1

• -1

• -71

evaluate bc + 5a  
when  a = 3, b = 4, and c = -6

• 9

• 38

• -38

• -9

Minus a negative means ________.

• plus

• minus

• subtract

• multiply

Which question is the SAME as
8 - (-7)        ?

• -8 - (-7)

• 8 + 7

• 8 - 7

• -8 + 7

5 times a number, minus 8  

• 5m - 8

• 5(m + 8)

• 8m + 5

• 8(m + 5)

The product of 6 and y..

• 6 + y

• 6y

• y - 6

• y / 6

5 less than  r

• 5 - r

• r - 5

• 5r

• r + 5

Translate the sentence into an equation:

• n + 7 = 18

• 7 - n = 18

• n - 7 = 18

• n + 7 = 18n

√ 16 

• 8

• 3

• 4

• 6