9th Grade Math

Multiplication

100

8 x 4

32

200

9 x 3

27

300

11 x 8

88

400

13 x 3

39

500

16 x 5

80

Distribution

100

3(4x-6)

12x-18

200

8(3+9)

96

300

13(4x-12)

52x-156

400

3(5x-7)+2(7x+3)

29x-15

500

12(3x-6) + 3(2x+3)

42x-63

Slopes and Graphing

100

Calculate the slope between the following points: (2,1) & (4,5)

The slope is 2.

200

Calculate the slope between the following points. (2,1) & (7,8)

5/7

300

If the y-intercept of a line is -4 and the slope is 6, what is the equation of the line in slope intercept form.

y = 6x - 4

400

what is the slope of y=3x-17

3

500

Given a line passes through the y intercept of -1, and goes through the points (1,2) and (3,8), what is the equation of the line?

y = 3x - 1

Solving Equations

100

2x + 6 =0

x = -3

200

2x - 18 = -3x + 27

x = 9

300

7x + 42 = -3x - 28

x = -7

400

(x - 5)(x + 3) = 0

x = 5 or x = -3

500

2x - 9x + 14 = 0

x=2

Area and Perimeter

100

what is the area of a 3 by 8 rectangle

24

200

what is the length of each side of a cube with an area of 108 inches²

9 by 6 by 2 

300

Area of a triangle with a base of 4 inches and height of 4 inches

8 in²

400

area of a rectangle with a base of 6, height of 9 and width of 3 (inches)

162 inches² 

500

what is the length of the hypotenuse  of a right triangle with sides 7 and 6 inches

9.22