1. Literal Equations and Formulas

2. Definitions
Literal Equation: an equation that involves 2 or more variables Formula: an equation that states a relationship quantities. Formulas are special types of literal equations. Common formulas would be area, perimeter, circumference, temperature, etc.

3. Example 1:
Solve the problem 3x + y = 10 for y. What does y equal if x = 1? If x = 3?

4. Example 2:
What equation do you get when you solve the equation for x?

5. Example 3
What is the length of a rectangle with and area of 98 square inches and base 14 inches?

6. Example 4
Karen walks 3 miles per hour and covers 12 miles. For how long did she walk?