october 20, 2014hansenmathhhs.weebly.com/uploads/2/3/3/3/23338964/9_d-h_featur… · 9 dh features...
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9 DH Features of Quadratic Graphs day 2 A5.notebook
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October 20, 2014
Sep 275:22 PM
Starter
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9 DH Features of Quadratic Graphs day 2 A5.notebook
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October 20, 2014
Oct 1411:37 AM
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October 20, 2014
Sep 277:51 PM
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October 20, 2014
Sep 277:54 PM
Fun facts:
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9 DH Features of Quadratic Graphs day 2 A5.notebook
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October 20, 2014
Sep 243:30 PM
Graphing Quadratics without a table*okay, with only a few points on the table
standard form How to find the vertex:
or
exampleFind the vertex of the graph without graphing.
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9 DH Features of Quadratic Graphs day 2 A5.notebook
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October 20, 2014
Sep 243:45 PM
Graph
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9 DH Features of Quadratic Graphs day 2 A5.notebook
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October 20, 2014
Sep 243:30 PM
vertex formThe vertex is (h, k)
Find the vertex of the graph without graphing.examples:
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9 DH Features of Quadratic Graphs day 2 A5.notebook
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October 20, 2014
Sep 243:45 PM
Graph
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9 DH Features of Quadratic Graphs day 2 A5.notebook
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October 20, 2014
Sep 243:30 PM
intercept (factored) form
Find the vertex of the graph without graphing.
examples:
The x‐intercepts of the graph are p and q
The vertex of the graph lies on the line of symmetry, half way between the x‐intercepts p and q.
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9 DH Features of Quadratic Graphs day 2 A5.notebook
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October 20, 2014
Sep 243:45 PM
Graph
y = 2(x + 4)(x – 3)
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October 20, 2014
Oct 111:14 AM
Graphing quadratics using technology
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October 20, 2014
Sep 2412:31 PM
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October 20, 2014
Oct 111:15 AM
At the yintercept, x = 0
At the xintercept(s), y = 0
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October 20, 2014
Oct 111:20 AM
Find the x and y intercepts of the following equations.
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October 20, 2014
Oct 111:23 AM
Assignment:
Exercises 9 E # 79 F # 3
6 ab 8
9G.5 # 1 df9G.7 # 39H.1 # 1 ac9H.3 # 1 ac