CPM Unit 3 Review: Solving

Parallel and Perpendicular Lines

100

What is a slope that is parallel to y=3x+7

3

200

What is the slope for a line that's perpendicular to y=2/3x - 4

-3/2

300

Write an equation that is parallel to y=4/3x-9

y=4/3x + (b)

400

What an equation that is perpendicular to y=5x+2

y=-1/5x+b

500

Write a line that is parallel to y=-1/3x+4 and passes through (3,10).

y=-1/3x+11

Multiplying Polynomials

100

2(x-3)

2x-6

200

(x-3)(x+4)

x²+x-12

300

(2a-4)²

4a²-16a+16

400

3x(x²-5x-11)

3x³-15x²-33x

500

(-2x+4)(5x²+9x+3)

10x³+2x²+30x+12

Solving by Rewritting

100

Solve for x 

x-5=0

x=5

200

Solve for x

-4x+10=34

x=-6

300

7(x-2)=-35

x=-3

400

9(x+4)-12= 132+3x

x=18

500

5x²+43=(x-1)(5x+6)

x=49

Fraction Busters

100

2/3 = -3/5x

x=-10/9

200

5/9 = x - 1/3

x= 24/27

300

5/2x - 1/3 = 13

x = 16/3

400

5x/3 + 15/2 =5/2

x = 3

500

7/(2x) + 3/2 = 3.5

x = 7/4

Exponents

100

Solve for x

2^x+4= 2⁹

x=5

200

8^2x=2^(x+1)

x=1/5

300

9⁹ = 3^(2x-2)

x=8

400

27^3x = 9⁵

x=10/9

500

64^(x+3)=8^(3x-1)

x=7