Pre Algebra Review

Solving for x

100

4x = 16

4

200

Solve for x.

x/3=24

x= 72

300

2(x+4) = 10

1

400

4(x-3) = 5(x+2)

-22

500

-16-7(2a+3)=23-2a

a=-5

Exponents

100

Simplify the expression 

x⁵ * x³

x⁸

200

Simplify

(a⁶)⁵

a³⁰

300

Simplify 2x⁴ * 7x²

14x⁶

400

Simplify 10x¹²/2x⁴

5x⁸

500

Simplify (3ab⁵)²

9a²b¹⁰

Grab Bag

100

Is pi rational or irrational?

Irrational

200

Is the number 3.252525252525...rational or irrational?

Rational

300

What is the next number in the sequence below?

10, 13, 16, 19, ____

22

400

What is the slope of the line shown?

y=-3/4x-2

500

Find the value of a²b+3|ab| if a=-5 and b=2.

80

Inequalities

100

Solve     2x+7 < -7

 x<-7

200

Solve

3x+10 > 9x-8

x<3

300

Solve 7x-3 ge 8x-5

Write your answer in interval notation.

(-infinity, 2]

400

-3(x-3)<-2x-9

Write the solution on a number line.

w>18

500

9+2(-4n+8)>9n-5-2n

Write your answer in interval notation.

(-infinity, 2)

Distributive Property

100

8(4+2) = ?

48

200

5(x-3)

5x-15

300

7+9(2x-3)

18x-20

400

-3(-x-10)

3x+30

500

-4y(2x + 28) 

-8xy+112y