Fall Finals Review

Multiplying Binomials

100

4x(4x²-2)

16x³-8x

200

9x(3x²-9)

27x³-81x

300

(x+6)(2x+4)

2x²+16x+24

400

(2x-4)(x+8)

2x²+12x-32

500

(3x+2)(3x²+x+4)

9x³+9x²+14x+8

Solving Systems of Equations

100

y=-5x

y=-7x-14

x = -7

y = 35

Solution: (-7,35)

200

-4x+6y=-10

2y+4=x

x = -2

y = -3

Solution: (-2,-3)

300

y=3x-8

y=-2x-3

x = 1

y = -5

Solution: (1,-5)

400

-2x+7y=20

x+7y=32

x = 4

y = 4

Solution: (4,4)

500

8x+6y=28

9x+3y=39

x = 5

y = -2

Solution: (5,-2)

Multiply Step Equations

100

Solve. 

-20 = Z/10 - 22

z=20

200

Solve. 

14x−9 = 10x+3

x=3

300

Solve for y. 

15x+3y=21

y=-5x+7

400

Solve. 

5=∣5−3c∣

c=0 & c=10/3

500

Solve. 

2∣x−6∣+3=11

x=10 & x=2

Distributive Property

100

3(3y-4)

9y-12

200

2(3x+5)

6x+10

300

3(2x-9)=21

x = 8

400

2(-4x+5)-4x+1=-49

x = 5

500

4(4x-4)+x+4=-46

x = -2

Slope from Two Points

100

What is the slope of the line that passes through the points (-2,-4) & (3,-9)?

Slope = -1

200

What is the slope of the line that passes through the points (-4,-7) & (-2,-19)?

Slope = -6

300

What is the slope of the line that passes through the points (-8,2) & (-11,3)?

Slope = -1/3

400

What is the slope of the line that passes through the points (-9,-5) & (-1,-9)?

Slope = -1/2

500

What is the equation of the line that passes through the points (7,-7) & (8,-13)?

Slope = -6

y-int = (0,35)

y=-6x+35