Unit Review

Combining Like Terms (Add & Subtract Mix)

100

-4x + 2y - 6x - 10y 

-10x - 8y

200

-17x - 6z + 23x + 2y - z

5x + 2y - 7z

300

16y - 3x + 18y -5z + x

-2x + 34y - 5z

400

8 + 16z - 10 + 4z -5

20z - 7

500

19x - 4 + (-19x) + 16 - 5x

-5x + 12

Combining Like Terms (Distribution)

100

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

5x - 17

200

-2(-3x - 1) + 3(-2x + 8)

26

300

-(x - 4) + 6(-2x - 1)

-13x - 2

400

3(-3x - 6) - 2(-7x + 9)

5x - 36

500

9(4x - 8) - 7(3x + 7)

15x - 121

Evaluating Expressions

100

Evaluate 3a - 2b when:

a = -2 and b = 4

-14

200

Evaluate -x² - 5x + y when: 

x = 2 and y = 3

-11

300

Evaluate 2y - 3a + y² when: 

a = -4 and y = -3

15

400

Evaluate -4z² - 3a³ when: 

z = -4 and a = 2

-88

500

Evaluate -|a| - 4b + a² when: 

a = -3 and b = -9

42

Translating Expressions

100

twelve subtracted from a number, n

n - 12

200

a number, x, increased by 5

x + 5

300

Four less than twice a number, n

2n - 4

400

6 times the difference of 15 and a number squared 

6(15 - x²)

500

16 subtracted from the quotient of a number, x, and twice h. 

(x/2h) - 6

Factoring

100

Factor: 3x - 6

3(x - 2)

200

Factor: 12x - 144

12(x - 12)

300

Factor: 16 + 32x

16(1 + 2x)

400

Factor: -4x - 10

-2(2x + 5) or 2(-2x - 5)

500

-3x + 18

-3(x - 6) or 3(-x + 6)