1. Algebra 2 8-1 Direct, Joint, and Inverse Variation

2. Graphing Inverse Variation Activity Groups of 1 to 3 Complete the handout Supplies –Graph Paper –Scissors –Glue Sticks –Rulers

3. Activity

4. Cut up the graph paper (in rectangles of 30) and paste onto a graph lower left corner in the origin Connect the upper right corners into a graph, draw the line Complete the questions on the form #3 is to create another graph of 48 units Skip #6

5. Activity 7.5 12

6. Activity 20 3.2 9.6 5

7. Vocabulary - Review Direct Variation Function – A function that can be modeled with the equation y = kx. Inverse Variation Function – A function that can be modeled with the equation y = k/x, also xy = k; where k does not equal zero.

8. Inverse Variation - Example

9. Inverse Variation - Practice

10. Inverse Variation - Example

11. Inverse Variation - Practice

13. Vocabulary - New Combined Variation – When one quantity varies with respect to two or more variables.

14. Inverse Variation - Example

16. Vocabulary - Review Reciprocal Function – The parent function of the inverse variation family of curves f(x) = 1/x.

17. Practice Problems

22. Homework Pages 573 – 576 10, 13 – 15, 23, 25, 32 – 36, 40, 49