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7.5 Notes Key Features and Graphing Parabolas.notebook January 19, 2018 1. y=x 2 6x + 5 2. f(x) = x 2 4 7.5 Notes: Key Features and Graphing Parabolas Warm up Find the zeroes and vertex of the equations

7.5 Notes - Key Features and Graphing Parabolas.notebook · 7.5 Notes Key Features and Graphing Parabolas.notebook January 19, 2018 1. y = x2 6x + 5 2. f(x) = x2 4 7.5 Notes: Key

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Page 1: 7.5 Notes - Key Features and Graphing Parabolas.notebook · 7.5 Notes Key Features and Graphing Parabolas.notebook January 19, 2018 1. y = x2 6x + 5 2. f(x) = x2 4 7.5 Notes: Key

7.5 Notes ­ Key Features and Graphing Parabolas.notebook January 19, 2018

1. y = x2 ­ 6x + 5 2. f(x) = x2 ­ 4

7.5 Notes: Key Features andGraphing Parabolas

Warm upFind the zeroes and vertex of the equations

Page 2: 7.5 Notes - Key Features and Graphing Parabolas.notebook · 7.5 Notes Key Features and Graphing Parabolas.notebook January 19, 2018 1. y = x2 6x + 5 2. f(x) = x2 4 7.5 Notes: Key

7.5 Notes ­ Key Features and Graphing Parabolas.notebook January 19, 2018

Key Features:1.Given the graph of f(x):

Describe each point labeled on the graph.

Page 3: 7.5 Notes - Key Features and Graphing Parabolas.notebook · 7.5 Notes Key Features and Graphing Parabolas.notebook January 19, 2018 1. y = x2 6x + 5 2. f(x) = x2 4 7.5 Notes: Key

7.5 Notes ­ Key Features and Graphing Parabolas.notebook January 19, 2018

2.Given the graph of f(x):

Describe each point labeled on the graph.

Page 4: 7.5 Notes - Key Features and Graphing Parabolas.notebook · 7.5 Notes Key Features and Graphing Parabolas.notebook January 19, 2018 1. y = x2 6x + 5 2. f(x) = x2 4 7.5 Notes: Key

7.5 Notes ­ Key Features and Graphing Parabolas.notebook January 19, 2018

Rate of change formula:

**It’s the same as slope!

3.  Given,                                      what is the average rate   of change of f(x) from [­1, 2].

Page 5: 7.5 Notes - Key Features and Graphing Parabolas.notebook · 7.5 Notes Key Features and Graphing Parabolas.notebook January 19, 2018 1. y = x2 6x + 5 2. f(x) = x2 4 7.5 Notes: Key

7.5 Notes ­ Key Features and Graphing Parabolas.notebook January 19, 2018

4.  Given, what is the average rate of change of f(x) from [­2, 1].

Page 6: 7.5 Notes - Key Features and Graphing Parabolas.notebook · 7.5 Notes Key Features and Graphing Parabolas.notebook January 19, 2018 1. y = x2 6x + 5 2. f(x) = x2 4 7.5 Notes: Key

7.5 Notes ­ Key Features and Graphing Parabolas.notebook January 19, 2018

5.   Given the graph below of a quadratic function h(x), determine the rate of change from [1, 3].

Page 7: 7.5 Notes - Key Features and Graphing Parabolas.notebook · 7.5 Notes Key Features and Graphing Parabolas.notebook January 19, 2018 1. y = x2 6x + 5 2. f(x) = x2 4 7.5 Notes: Key

7.5 Notes ­ Key Features and Graphing Parabolas.notebook January 19, 2018

6.   Given the graph below of a quadratic function m(x), determine the rate of  change from m(­2) to m(­1).

Page 8: 7.5 Notes - Key Features and Graphing Parabolas.notebook · 7.5 Notes Key Features and Graphing Parabolas.notebook January 19, 2018 1. y = x2 6x + 5 2. f(x) = x2 4 7.5 Notes: Key

7.5 Notes ­ Key Features and Graphing Parabolas.notebook January 19, 2018

To graph a parabola:1) Find the zeros.2) Find the vertex.

7. y = x2 + 2x + 1 8. y = 2x2 ­ 16x + 30

Page 9: 7.5 Notes - Key Features and Graphing Parabolas.notebook · 7.5 Notes Key Features and Graphing Parabolas.notebook January 19, 2018 1. y = x2 6x + 5 2. f(x) = x2 4 7.5 Notes: Key

7.5 Notes ­ Key Features and Graphing Parabolas.notebook January 19, 2018

9. y = x2 + 4x + 3 10. y = x2 ­ 9

Page 10: 7.5 Notes - Key Features and Graphing Parabolas.notebook · 7.5 Notes Key Features and Graphing Parabolas.notebook January 19, 2018 1. y = x2 6x + 5 2. f(x) = x2 4 7.5 Notes: Key

7.5 Notes ­ Key Features and Graphing Parabolas.notebook January 19, 2018

11. y = ­x2 + 8x ­ 12 12. y = ­2x2 + 4x

Page 11: 7.5 Notes - Key Features and Graphing Parabolas.notebook · 7.5 Notes Key Features and Graphing Parabolas.notebook January 19, 2018 1. y = x2 6x + 5 2. f(x) = x2 4 7.5 Notes: Key

7.5 Notes ­ Key Features and Graphing Parabolas.notebook January 19, 2018

Page 12: 7.5 Notes - Key Features and Graphing Parabolas.notebook · 7.5 Notes Key Features and Graphing Parabolas.notebook January 19, 2018 1. y = x2 6x + 5 2. f(x) = x2 4 7.5 Notes: Key

7.5 Notes ­ Key Features and Graphing Parabolas.notebook January 19, 2018