9th Grade Math Review

Exponents

100

2³

8

200

2^-2

1/4

300

(-3)³

-27

400

-6²

-36

500

1/ -2^-2

-4

GCF + Factoring

100

4(X-2)

4X-8

200

Factor by GCF

3x-18

3(X-6)

300

-4X(Y+7)+ 8

-4XY-20

400

Factor by GCF

4X²Y+44XY- 32XY²

4XY(X+11-8Y

500

7X²Y+21XY²

7XY(X+3Y)

One step equations

100

X+8=18

X=10

200

6M=66

M=11

300

12/T= 3

T=4

400

-X+8= 6+4

X=-2

500

4³x-1/2=127.5

x=2

2 step equations

100

5X-3=7

X=2

200

2r-7=13

r=10

300

2X+3=15

X=6

400

w/5 - 6 = -7

w=-5

500

4^1/2X-7=23

X=15

multi step equations

100

X+2= 3X

X= 1

200

6y  = 3 + 5(y – 2)

                               

y=-7

300

3(2n – 5) = ½ (-12n + 30)  

n=3

400

7y-6=4y+75

y=27

500

12z-1=-5z+(100^1/2x 5)

z=3