Name: _________________________________________   Period: ________________

 

070430 Homework

 

Given the definition of a quadratic and its graph, write an accurate function definition for the rate of change. Then graph that rate of change function.

 

1. y = x2 - 2x - 1                                                                      ROC =

 

 

 

 

 

 

 

 

 

 

 

Find the location (an ordered pair) of the minimum or maximum.  Also state if it is a minimum or maximum.

 

2. y = 2x2 + 12x – 15                                                                                     

 

 

 

 

3. y = x2 – 20x + 9                                                                                         

 

 

 

 

4. y = -3x2 – 18x + 12                                                                                    

 

 

 

 

5. y = -x2 + 8x – 1