Asynchronous Assignment 12/11

Front

What is the value of x if f(x) = 7 and f(x) = 3x + 1?

Back

x = 2

Front

Back

Subtract 6 from both sides.

Front

Back

Multiply both sides by 3 to get y = 36.

Front

If Sue bought 5 movie tickets for $4 each and paid with a $50 bill, how much change will she get back?

Back

She will get back $30.

Front

What expression represents the number of Batman books Marcus has left after losing 5 books?

Back

(12 x 3) - 5

Front

What is the formula for finding the area of a rectangle?

Back

Area = length x width.

Front

Back

x = 4.

Front

Back

Multiply both sides by 4.

Front

Back

y = 7.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width).