Wednesday, July 30, 2014

GED Math Test Prep: Area of Rectangle

GED Skill: Area of rectangles

You have decided to put carpet in your 10ft by 15 ft. living room. What is the area of carpet needed?

Answer: 10ft x 15ft = 150 cubic feet

GED Math Test Prep: Simplify the equation 3x + 7y - 2z + 3 - 6x - 5z +15

Simplify the following equation.

3x + 7y - 2z + 3 - 6x - 5z +15

Step 1:  Using the associative property, rearrange the terms of the equation so that "like" terms are next to each other.

3x - 6x - 2z - 5z + 7y + 3 + 15

Step 2:  Combine like terms.

-3x - 7z + 7y + 18