Advanced Math - Unit 4 Part A Study Guide

Front

Which expression is equivalent to 3(a + 4b) - 2(2a - 3b)?

Back

a + 10b

Front

What is the total cost for 10 shirts at $4.99 each with a 20% discount and 7% sales tax?

Back

$42.71

Front

What is the area of a rectangle with length 2x and width x + 3?

Back

2x^2 + 3x

Front

If Isley has 7 cups of walnuts and each recipe uses 1 1/2 cups, how many gift boxes can she make if each box contains 12 bars?

Back

14

Front

What is the perimeter of a rectangle with length 5x and width 2x + 4?

Back

14x + 16

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2(length + width)

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form by combining like terms.

Front

What is the distributive property in mathematics?

Back

a(b + c) = ab + ac

Front

How do you calculate a percentage of a total amount?

Back

Multiply the total amount by the percentage (as a decimal).