7th Unit 4 Review

Expand Expressions

100

4(x+7)

4x + 28

200

-3(2y - 5)

-6y + 15

300

6(a - 4) + 2a

8a - 24 

400

-6(6q + 5)

-36q-30

500

3(4g + 8h - 11)

12g+24h-33

Factor Expressions

100

12x + 8)

4(3x + 2)

200

9y - 6

3(3y - 2)

300

15a + 10b - 35

5(3a + 2b - 7)

400

6x + 54

6(x+9)

500

13x+39

13(x+3)

Add expressions

100

(3x + 4) + (5x)

8x + 4

200

(2y + 7) + (y - 3)

3y + 4

300

(6a + 2b) + (4a)

10a + 2b

400

You leave home, take three left turns, and return home. Who are the two masked men waiting for you?

Umpires

500

(-8r - 2) + (4r -3)

-4r - 5

Subtract expressions

100

(8x + 3) - (2x + 5)

6x - 2

200

(5y - 4) - (3y + 6)

2y - 10

300

(10a + 2b) - (4a - b)

6a + 3b

400

(-z - 8) - (6z - 5)

-7z - 3

500

(7v - 9) - (6v + 9)

v - 18

MISC

100

(4p - 4) + (-7p - 7)

-3p - 11

200

9 + 5 = 2

How is this possible?

9 a.m. + 5 hours = 2 p.m..

300

What does Miss Kuehn always say or do

NA

400

Always sticky or always itchy?

NA

500

(-7s + 4) - (-8s + 4)

s