Math Review with Expressions and Equations

Solve:
x – 8 = –5 

• 13

• –13

• 3

• –3

Solve:

• 20

• 7

• 10

• 3

What equation matches this situation?
Robyn had some video games then bought 4 more.  Now she has a total of 10 games.

• v - 4 = 10

• v + 4 = 10

• 10 - 4 = v

• Answer not Given

Find what the value of x.

• 118

• 108

• 28

• 58

Evaluate 4y  if       y = 3

• 7

• 12

A letter that represents a unknown number is called a _____.

• variable

• coefficient

• constant

• term

Evaluate if a=3 and b= -2

• -24

• -5

• 6

• 4

• n = 5

• n = 6

• n = 7

• n = 8

• 8(-9+3x-4y)

• 12(-6+2x-3y)

• 12(6-2x+4y)

• 9(-8+15x-4y)

• -22y+30x

• 22y+30x

• 2y+30x

• -2y-30x