9th Grade Math Review

Simple Problems

100

742-375=?

367

200

200-333=?

-133

300

-83-59=?

-142

400

-49+109=?

60

500

−10(1+ 4) − 5

-55

Two-Step Equations

100

2n + 6 = 46

n=20

200

-3n - 25 = 83

n= -36

300

 -5n + 35 = 60

n = -5

400

(n/3)-17=4

n=63

500

3h − 3 = 13 −h

h=4

Slope and y-intercept

100

What is the slope?

y = 2x + 7

2

200

What is the y-intercept?

y = 2x + 2

2

300

What is the slope? 

y = (2/3)x + -5

2/3

400

What is the y-intercept?

y = 5x + - 4

-4

500

What is the slope minus the y-intercept?

y = (3/4)x + 5

-4 1/4

One-Step Equations

100

X + 8 = 10

X = 2

200

Y - 7 = - 5

y = 2

300

8g = -24

g = -3

400

Y / 7 = -5

Y = -35

500

-18g = -36

g = 2

Distributive Property

100

Solve.

4 (3x + 2)

12x + 8

200

Solve. 

9 (-2y + 2)

-18y + 18

300

Solve.

-7 ( -13g - 4)

91g + 28

400

Solve.

-1 (g + 1)

-g - 1

500

Solve.

-4 (h + 6) - 8

-4h - 32