1. Introduction to Checking Quadratic Solutions Copyright Scott Storla 2015

2. Decide whether each supplied value is or is not a solution Copyright Scott Storla 2015

3. Decide whether each supplied value is or is not a solution Copyright Scott Storla 2015

4. Decide whether each supplied value is or is not a solution Copyright Scott Storla 2015

5. Decide whether each supplied value is or is not a solution Copyright Scott Storla 2015

6. Decide whether each supplied value is or is not a solution Copyright Scott Storla 2015

7. Checking Quadratic Solutions Copyright Scott Storla 2015

8. Evaluating a Discriminant Copyright Scott Storla 2015

13. Evaluating a Discriminant Copyright Scott Storla 2015

14. Applying a Quadratic Function Copyright Scott Storla 2015

15. Evaluating Quadratic Functions Copyright Scott Storla 2015 A quadratic function has a form like We evaluate a quadratic function when we replace the variables on the right with a value and simplify.

16. Evaluate Copyright Scott Storla 2015 when

17. Copyright Scott Storla 2015 Find the number of cases in 1982 (year 0). There were approximately 168,800 cases of chickenpox in 1982. Find the number of cases in 1994. By 1994 there were approximately 129,200 cases of chickenpox.

18. Copyright Scott Storla 2015 Find the cost of a year of college in 1970. In 1970 a year of college cost around $692. Find the cost of a year of college in 2015. In 2015 a year of college will cost around $9,742.

19. Applying a Quadratic Function Copyright Scott Storla 2015