7th Math Review

Front

The distance across a circle is...

Back

Diameter

Front

If Fred's lunch bill is $17.50 and he wants to tip his waiter 20%, what is the tip?

Back

$3.50

Front

Chris sells cars. He receives a salary of $800 per week plus a commission of $100 per car he sells. If he made $1100 in one week, how many cars did he sell?

Back

3

Front

Solve the expression: 1/3(6x - 3) + 5(x + 2)

Back

7x + 9

Front

George reads 65 pages on the first day and then 20 pages each day. Which inequality shows the minimum number of days to finish a 347-page book?

Back

65 + 20x ≥ 347

Front

What is the formula for the area of a circle?

Back

A = πr²

Front

What is the formula for the circumference of a circle?

Back

C = 2πr or C = πd

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What is the distributive property in mathematics?

Back

a(b + c) = ab + ac

Front

What is the definition of a ratio?

Back

A comparison of two quantities by division.