1. Ch 8 Equations and Inequalities
8.1 Solving Equations with Rational Coefficients

2. Algebraic Equation Has an equal sign and a variable Directions: Solve
Solution: a value for the variable that makes the equation true

3. Properties of Equality
Multiplication Property of Equality
Division Property of Equality

4. Inverse Operations Undo each other To under multiplication use the:
Division Property of Equality
To under Division use the:
Multiplication Property of Equality

5. Example 1: Solve
Hint: When you divide fractions multiply by its reciprocal

6. Example 2: Solve -1 2 2

7. Example 3: Solve =5.6x

8. Example 4: Solve y =

9. (price per box) ( Number of boxes) = Total (14.5)(b) =116
Example 5: Kipton spent $116 on boxes of baseball cards. He paid $14.50 per box. Write and solve an equation to find how many boxes of cards Kipton bought.
(price per box) ( Number of boxes) = Total (14.5)(b) =116

10. Homework
Page 327 (12-40) even