Algebra Review

Expressions and Equations

100

4(6n+7) when n=6

what is 172

200

Write as an equation: 3 times the difference of a number m and 15 is equal to 30 

what is 3(m-15)=30

300

Is x=8 a solution to the inequality 2x+10<4x-7

no

400

Solve:  |x+3|=10

What is x = 7 AND x = -13

500

Solve:  5x² = 80

What is x = 4 AND -4

Real Numbers

100

The square root of 64

What is 8 AND -8

200

The set of all positive and negative whole numbers

What is integers

300

Simplify: -7x(x-13)

What is -7x² + 91x

400

Is sqrt(64) times 4/5 rational or irrational?  Why?

What is rational - they are both rational

500

Two numbers whose product would result in an Irrational number

**Lots of options here**

Linear Equations / Graphing

100

Identify the slope and y-intercept of the line: 6x+3y=18

What is m=-2;b=6

200

Identify the x-intercept and y-intercept: -2x+5y=-20 

What is x-intercept=10; y-intercept=-4

300

Solve for x: 16x-4=4(2x-3)

What is x=-1

400

Solve proportion: b/8=9/4

What is b=18

500

Solve 2(x+2)-5=3(x+1)

What is x=-4

Factoring

100

Factor completely:    3x-15

3(x-5)

200

Factor completely:  9x² - 16

What is (3x-4)(3x+4)

300

Factor completely:  x² - x - 6

What is (x+2)(x-3)

400

Factor completely: x² +18x + 81

What is (x+9)(x+9)

500

Factor completely:  4x² - 4x - 15

What is (2x+3)(2x-5)

Potpourri Math

100

Simplify:  sqrt (48)

What is 3*sqrt(4)

200

Which property is shown here: 2+(x+7) = x + (2+7)

Associative Property of Addition

300

Michael borrows money from his uncle, who is charging him simple interest using the formula I=Prt.  To figure out what the interest rate, r, is, Michael rearranges the formula to find r.  His new formula is r equals

What is r=I/Pt

400

A rectangular banner is 16 feet long and has an area of 80 square feet. What is the perimeter of the banner?

What is 42 feet.

500

How many pounds are in a ton?

What is 2,000 pounds