7th grade - Module 2, Topic C Study Guide

Front

What equation represents the total cost of 5 small popcorn and 4 sodas if p is the price of popcorn and s is the price of soda?

Back

5p + 4s = 23.50

Front

Solve for x: 6x + 4 = -8

Back

x = -2

Front

Who is correct in using the distributive property: Tom (4(3x + 12) = 4(15x)) or Barry (4(3x + 12) = 12x + 48)?

Back

Barry is correct.

Front

What equation represents the total spending of 7 friends at an arcade if each spends $14 on tokens after buying an admission ticket?

Back

7(x + 14) = 127.75

Front

What was the cost of each admission ticket if 7 friends spent a total of $127.75 and each spent $14 on tokens?

Back

$4.25

Front

Define the distributive property in mathematics.

Back

The distributive property states that a(b + c) = ab + ac.

Front

What is an equivalent expression for 4(3x + 12)?

Back

12x + 48.

Front

If the total cost is $23.50 for 5 popcorns and 4 sodas, how would you express the cost of one soda in terms of popcorn?

Back

s = (23.50 - 5p) / 4.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is the first step in solving the equation 6x + 4 = -8?

Back

Subtract 4 from both sides.