Algebra Review

Simple Equations

100

Solve: 2x + 2 = 18

x = 8

200

Solve: 3x + 4 = 7

x = 1

300

Solve: 3x + 3 - 2x = 21

x = 18

400

Solve: 4x - 5 - 3x + 2 - 2x = 9

x = -12

500

Solve: 21 + x = 2(x - 6)

x = 33

Functions

100

Algebra: Is this a function: {(1, 2), (2, 3), (2, 4)} 

No

200

The domain of {(2,7),(5,8),(10,6),(-10,4)}?

Algebra: {-10, 2, 5, 10}

300

The range of {(2,7),(5,8),(10,6),(-10,4)}?

{4, 6, 7, 8}

400

What value would make the following NOT a function {(2,4), (3,4), (x, 5)}?

x=2 or x=3

500

Algebra: What's the range of f(x)=x²-4? 

Algebra: y > 

Slope Intercept/Linear Equations

100

What does the m represent in y=mx + b

The slope

200

Write an equation for (2,5) and (3, 7)

y=2x+1

300

Rewrite in slope-int form: 

y-2x=10

y=2x+10

400

Rewrite in slope-intercept form: 2y -6x =12

y=3x + 6

500

Solve for y: 

x+ 2y = 4

y = -1/2x + 2

Slope/Simplifying Equations

100

Find the slope: y=3x+1

3

200

What is the slope of the following equation:

2x + 2y = 8

slope = -1

300

Find the slope (3, 7) and (5, -13)

x = -10

400

Find the slope of (2, 5) and (-3, 12)

-7/5

500

 What's the slope of the line passing through (3,9) (5,4)

slope: -5/2

Key Attributes

100

What is the y-intercept of y=2x-5

(0,5)

200

What is the x-intercept of y=2x-8

(4,0)

300

What is the zero of y-2x=10 

(-5, 0)

400

What are the root(s) f(x)=x²-5x-14

(-2, 0) and (7,0)

500

What is the y-intercept of y=24(2)^x

(0,24)