9th Grade Math

Single # Multiplication

100

2x5=

10

200

9x7=

63

300

8x6=

48

400

7x4

28

500

9x8=

72

Division

100

10÷2=

5

200

12x5=

60

300

30÷15

2

400

46÷4

11.5

500

105÷5

21

Double Multiplication

100

11x2=

22

200

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

The slope is 1.

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

18x3=

54

500

25x10=

200

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

x^2 - 9x + 18 = 0

x = 6 or x =3

Addition/Subtraction

100

(x + 2)(x + 4)

x^2 + 6x + 8

200

x^2 + 12x + 35

(x + 7)(x + 5)

300

(-2x + 5)(5x - 1)

-10x^2 + 27x - 5

400

x^2 - 16x - 36

(x - 18)(x + 2)

500

x^2 - x - 12

(x - 4)(x + 3)