Algebra Exam 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: x+6=3(x - 8)

x = 15

Functions

100

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

No

200

Simplify: 3(6wd-3)+3wd 

 21wd - 9 

300

Solve for a: ax+b=c 

a = (c - b)/x 

400

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

-1ab - 3ac

500

What's the range of  y=x²+2? 

[2,∞)

Slope Intercept/Linear Equations

100

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

 y= mx + b

200

Write an equation that you would have to use the distributive property for.

Answers will vary

300

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

x = 25/3

400

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

-18x

500

simplify: 2x²y+6xy²-3x²+8xy²-7x²y

5x²y+14xy²-3x²

Slope/Simplifying Equations

100

Find the slope: y = 3x + 5

3

200

What is the slope of the following equation:

2x + 2y = 8

slope = -1

300

Solve: (3-3x)/7 = 6

x = -13

400

Simplify: 22p-7p+19-15-12

15p - 8

500

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

slope: -5/2

Evaluating/Property

100

What property is shown:

(a*b)*c = a(b*c)

Associative Property of Multiplication

200

The reciprocal of -3/2

-2/3

300

Evaluate:

[(2*3)+(7*4)]+2

 

 

 36 

400

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

-9x -7 -2y

500

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

5 - 4x

Your Reference Sheet

100

What is the quadratic equation?

x = ax² + bx + c

200

What is the exponential equation?

y = ab^x

300

What 2 quartiles are included in the interquartile range formula?

Q1 and Q3

400

Which part of the annual compound interest formula indicates your initial value?

P

500

Which equation on the reference sheet do you use to solve questions involving average rate of change?

Slope

m=(y₂-y₁)/(x₂-x₁)