Ch. 2 Review Pt.2

Absolute Value

100

Find 

abs(x-7) +5 if x=-2

14

200

Find 

abs(2x-4) -15 if x=-8

5

300

Solve 

abs(x-5)=8

x=-3, 13

400

-2abs(x-4)=-18

Solve 

x=-5,13

500

Solve

abs(2x-7) +4=-6

No Solution

Ratios and Percent of Change

100

 x/5=6/15

x=2

200

(x+4)/8=3/16

x=-2.5

300

A 12 ounce bag holds 100 chips. How many ounces would the bag need to be to hold 250 chips?

30 ounces

400

At the store you see a shirt that is 25% off. If the shirt originally costs $17.99, how much will it cost after the discount?

$13.49

500

Original: 20

New: 15

Find the percent of change. Also state whether it's an increase or a decrease. 

Decrease of 25%

Pop Culture

100

What is the capitol of the U.S.?

Washington D.C. 

200

How long is a marathon?

26.2 miles

300

What is Taylor Swifts lucky number?

13

400

What is Mr. Krabs daughters name?

Pearl

500

What continent is Egypt on?

Africa 

Solving Equations

100

-2x+5=11

x=-3

200

2/3x=18

x=27

300

-2x+12=3x-8

x=4

400

4-4x=8x-5x-10

x=2

500

2(10-2x)=4(2x+2)

x=1

Misc. Math

100

1/2+2/5

9/10

200

6+4(7-2)-3^2

17

300

Simplify. 

2x+7(x-5y)

9x-35y

400

Solve. f(4) if f(x)=x^2+10

26

500

Solve. f(-2) if f(x)=x^2+3x-1

-3