In this section, you will explore various formulas on a mathematics reference chart and learn how to solve for a specific variable within a formula. Let's take a look at an example of some common formulas used on standardized tests. Click the start button to begin.

Find the Formula

Use the mathematics reference chart above to find the following formulas. Click on the blanks to reveal the answers.

Area of a Circle		Interactive button. Assistance may be required. ________________ A = r2
Surface Area of a Sphere		Interactive button. Assistance may be required. ________________ S = 4r2
Volume of a Prism		Interactive button. Assistance may be required. ________________ V=Bh
Surface of a Cylinder (lateral)		Interactive button. Assistance may be required. ________________ S = 2rh

Solving for a specific variable within a formula

Before using the laws of exponents to solve problems involving formulas, you may have to solve the formula for a specific variable. View the video below to learn more about solving formulas for a specific variable. After viewing the video, complete the following problems.

Practice

1. S = 2rh ; solve for r.

Directions: Solve the formula for the specific variable. Click the "begin" button to view the solution.

2. V= one-third 1 3 Bh ; solve for h.