Unit Review

Distribution

100

4(18 - 8) =

40

200

-2(20 + 5) =

-50

300

10(x - 8) =

10x - 80

400

-2(6 - x) =

2x - 12

500

x(6 + 19 + 5) = 

30x

Simplification

100

7y - 6 - 6y + 5 = 

y - 1

200

2x - 3y + 18z + 3 =

2x - 3y + 18z + 3

300

4z - 2z + z + 6 + 14 + 3z =

6z + 20

400

2x - x + 6 + 3x + 13 - z =

4x -z + 19

500

-6(y - 1) + 2y + 7 - y + 4 = 

-5y + 17

Slope and Y-intercept

100

y = 2x + 3

Slope: 2

Y-intercept: 3

200

y = 9 - 8x

Slope: -8

Y-intercept: 9

300

GeoGebra g(x):

Slope: 3

Y-intercept: -3

400

GeoGebra f(x):

Slope: -2

Y-intercept: 3

500

It's a table

Slope: 7

Y-intercept: -4

One Step Equations

100

x - 6 = 6

x = 12

200

y + 11 = 10

y = -1

300

4z = 44

z = 11

400

x/4 = 12

x = 48

500

(-1/3)y = 3 

y = -9

Two Step Equations

100

3x + 7 = 37

x = 10

200

2x - 10 = 28

x = 19

300

5z - 4z = -7

z = -7

400

(x/3) - 5 = 1

x = 18

500

(1/6)y + 8 = 6

y = -12