1. Warm Up
2x-9 when x=4
7(x-2) - 6(x+1) when x=5

4. Section 1-2 Evaluating Formulas

5. Evaluate multiple different formulas
Objectives
Define formulas
Evaluate multiple different formulas

6. A formula is an equation that contains more than one variable
Formulas
A formula is an equation that contains more than one variable

7. About Formulas
Can be thought of as a “recipe” for solving a particular type of problem.
A formulas can be used as a model for problems in the areas of geometry, banking and finance and science.

8. Distance Formula (d)istance=(r)ate(t)ime
can use everyday to decide what time to leave/arrive at a place on time (or how fast to drive to get there)
Also the formula cops used to use to catch speeders.

9. Example 1 Distance Formula

10. Example 1 Distance Formula

11. Example 2 The Perimeter of a Dog Pen

12. Example 3 The Compound-Interest Formula

13. DO NOT round any part of the answer until you have finished the problem. Then round the final answer to the nearest penny.

14. Example 4 Calculating Your BMI

15. Example 4 Calculating Your BMI