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Solving Equations & Inequalities
Writing Linear Equations
Factoring Polynomials
Number System and Radicals
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100

Solve: 

3x - 15 = -21

x = -2

100

What is the slope of 2x + 3y = 6?

m = -2/3

100

Factor: 

x2 + 10x + 16

(x + 8)(x + 2)

100

What is the difference between a natural and a whole number?

Natural numbers do not include ZERO. Whole numbers do include ZERO.

100

Solve: 

x+5/12 = x-2/8

x = 16

200

Solve: 

-4 (2 - x) = 24

x = 8

200

A business purchases a computer for $2000. The value of the computer depreciates $400 per year. Which linear equation gives the value y of the computer after x years?

y = 2000 - 400x

200

Factor:

x2 - 49

(x + 7)(x - 7)

200

Define what an irrational number is and give at least one example.

An irrational number is a number that can not be written as a fraction. It is a decimal that continues on and on indefinitely, does not terminate, and it does not have a pattern. 

Examples: Pi, Square root of two

200

Paola went to the movies. She spent a total of $50. She spent $10 on food and saw 8 movies. How much did each movie cost?

$5

300

Solve: 

4x + 3(x - 2) = 5x - 20

x =7

300

What is the slope of the equation perpendicular to the line 2x - 5y = 6?

m = -5/2

300

Find the area of a rectangle with a length that is 2 more than 5 times the width.

5x2 + 5x

300

Simplify the square root of 56.

2 radical 14. 

300

You purchase a stereo system for $830. The value of the stereo system decreases 13% each year. What is the value of the system after 3 years?

$546.56

400

-2x + 3 < 5x - 4

x >1

400

Which is an equation of the line containing the points (-1, 5) and (3, 9)?

y = x + 6

400

Factor: 

2x2 - 11x - 21

(2x + 3)(x - 7)

400

Simplify -2 +/- the square root of 5

0.24 and -4.24

400

Write 5.67 X 10-4 in standard form. 

0.000567

500

Solve and simplify: (6a - c)/2(b - a), when a = 2, b = 7, c = 10.

1/5

500

Write an equation parallel to y = 3/4x - 3 and contains the point (0, 5).

y = 3/4x + 5

500

What is volume of a rectangular prism that has a length of 2x + 5, a width of 3x and a height of 4x - 1.

24x3 - 66x2 - 15x

500

What is the Quadratic Formula and why do we use it?

-b +/- the square root of b^2-2ac and it is all divided by 2 times a. 

We use the Quadratic Formula to find the solution of a quadratic equation when A does not equal 1. 

500

Write the statement below as an expression: 

The sum of one forth of the number x and 10 is 24.

1/4x + 10