4.1.notebook
September 12, 2016
Bellwork 9/12/16
1. Write the vertex form of the quadratic
2. Describe each letters role in transforming the function
1
4.1.notebook
September 12, 2016
4.1
Quadratic Functions
EQ: How can I precisely graph a quadratic function or parabola?
2
4.1.notebook
September 12, 2016
Quadratic Parent Function
3
4.1.notebook
September 12, 2016
Graph the function: y=
4
4.1.notebook
September 12, 2016
Now you try: y=
5
4.1.notebook
September 12, 2016
Turn and Talk
What can you say about the graph of a quadratic function if a is negative? Describe what a vertex is, and how to find it. Describe what an axis of symmetry is, how does knowing this help you graph a quadratic? 6
4.1.notebook
September 12, 2016
7
4.1.notebook
September 12, 2016
Now you try
8
4.1.notebook
September 12, 2016
9
4.1.notebook
September 12, 2016
10
4.1.notebook
September 12, 2016
11
4.1.notebook
September 12, 2016
If the parabola of a vertex is at (4, 5) and the parabola is not compressed or stretched vertically, what is the equation of this quadratic function? 12
4.1.notebook
September 12, 2016
(On your bell sheet)
Compare and Contrast
Describe the difference between the graphs of y = (x + 6)2 and y = (x – 6)2 + 7
13
4.1.notebook
September 12, 2016
14