7 Unit 6 Test Review

Front

Back

x = 36

Front

A bowling league requires you to buy a bowling ball for $45 and pay $12 for each game. You spent $117 total. Which equation represents this situation?

Back

12x + 45 = 117

Front

Solve: 2x + 3(5x - 7) = 47

Back

x = 4

Front

Solve: 7x - 3x - 8 = 24

Back

x = 8

Front

A delivery person weighs 160 lbs and each box of books weighs 50 lbs. The maximum capacity of the elevator is 1000 lbs. Which equation represents this situation?

Back

50x + 160 = 1000

Front

Back

Subtract 5 from both sides.

Front

Define a variable in an equation. Why is it important?

Back

A variable represents an unknown value, allowing us to formulate equations and solve for that value.

Front

What does it mean to isolate a variable in an equation?

Back

To isolate a variable means to manipulate the equation so that the variable is on one side and all other terms are on the opposite side.

Front

Back

x = 3

Front

Explain the distributive property. Give an example.

Back