Math Practice Final Exam

Front

What is a Variable?

Back

A symbol used to represent an unknown value, often denoted by letters such as x, y, or z.

Front

What is the ratio of red toy cars to all toy cars if Patrick has 2 black, 3 red, and 5 white toy cars?

Back

The ratio is 3:10.

Front

What is 3 raised to the power of 4?

Back

3^4 = 81.

Front

What is the value of 7 raised to the power of 0?

Back

7^0 = 1.

Front

Back

The answer is 5.

Front

What is a Proportion?

Back

An equation that states that two ratios are equal.

Front

How do you solve a proportion?

Back

Cross-multiply the terms and then solve for the variable.

Front

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

Back

Area = length × width.

Front

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

Back

Perimeter = 2(length + width).

Front

What is the difference between a prime number and a composite number?

Back

A prime number has exactly two distinct positive divisors: 1 and itself. A composite number has more than two positive divisors.