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

Algebra: simplify: 3(6wd - 3) + 3wd 

Algebra: 21wd - 9 

300

Algebra: Solve for a: ax + b = c 

Algebra: a = (c - b)/x 

400

Simplify: a(b - c) - 2a(c + b)

-1ab - 3ac

500

Algebra: What's the domain of x = 3? 

Algebra: 3 

Slope Intercept/Linear Equations

100

Algebra: What is the slope-intercept of a linear equation

Algebra: y= mx + b

200

Write an equation of a line in slope intercept form that:

Has a slope of -1

Has a y intercept of -1

y=-x-1

300

Solve: (3x-5)/4 = 5

x = 25/3

400

Simplify: -4(3x - 2) -2(4 + 3x)

-18x

500

Name a point on the line:

y = 1/2x - 8

Lots of answers:

... (-2,9) (0,8) (2,-7) (4,-6) ...

Slope

100

Find the slope: 

y = 1/2x - 9

1/2

200

What is the slope of the following equation:

y = x + 2

1

300

What's the slope?

y - 1 = -3/2 (x - 6)

-3/2

400

What's the slope?

6x + 7y = 23

-6/7

500

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

slope: -5/2

Evaluating/Simplify

100

Evaluate:

2*4+8*3

32

200

Simplify

3(4x + 1y - 8 + x - 10)

15x + 3y - 54

300

Evaluate:

{(2*3) +(7*4)} +2 

 

Algebra: 36 

400

Simplify: 

-(x + 7) -2(4x + y)

-9x -7 -2y

500

Simplify: 

1/4(-4 + 16x) - 2/5(20x - 15)

5 - 4x