Math 7 - Lesson 15 Quiz Review

Combine Like Terms

100

3x + 7 + 15x + 8

18x + 15

200

7y + 2 - 1 - 3y

4y + 1

300

8a + 7b + 2b - 3a + 10

5a + 9b + 10

Distributive Property

100

4 (5v - 3) 

20v - 12

200

-9 (-5b + 7)

45b + -63

or

45b - 63

300

7 (-9 + 6n)

-63 + 42n

Parts of an Expression

100

Write down each term in the following expression.

-4a - 7b + 5 + c

-4a

7b

5

c

200

Write down each variable.

-4a - 7b + 5 + c

a

b

c

300

Write down each coefficient in the following expression.

-4a - 7b + 5 + c

4

7

Simplify Expressions

100

2 (x - 3) + 7x

9x - 6

200

-3 (2x + 7) - 10x

-16x - 21

or

-16x + -21

300

-2 (2x - 5) - 4x - 33

-8x - 23

or

-8x + -23

Factor

100

14x + 28y

14 (x + 2y)

200

3x + 15

3 (x + 5)

300

5x - 25

5 (x - 5)