Math 7 Semester Exam Review

Front

What is the formula to calculate commission?

Back

Commission = Sale Amount × Commission Rate

Front

If Sharon sells $37,000 worth of items at a 17% commission rate, how much does she earn?

Back

$6,290

Front

How do you calculate percent change?

Back

Percent Change = (New Value - Old Value) / Old Value × 100%

Front

What is the percent change from 70 to 56?

Back

20% decrease

Front

What defines a proportional relationship in a graph?

Back

A proportional relationship is defined by a straight line that passes through the origin.

Front

What is the temperature at 9 A.M. if it was -4 °F at 7 A.M. and it became 8 degrees warmer?

Back

4 °F

Front

What is simple interest?

Back

Simple Interest = Principal × Rate × Time

Front

If Tobias borrowed $17,000 at an 8% annual interest rate for 2 years, how much interest does he pay?

Back

$2,720

Front

What is the total amount Tobias repaid after 2 years?

Back

$19,720

Front

What is a proportional relationship?

Back

A relationship where two quantities maintain a constant ratio.