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52 Day 1 Properties of Parabolas 2010 1 November 10, 2010 Nov 94:51 PM 5.2 Day 1 Properties of Parabolas Objectives: Graph quadratic functions. Find minimum values of quadratic functions.

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Page 1: 5.2 Day 1staffweb.psdschools.org/kemotich/Mrs_Motichka... · 52 Day 1 Properties of Parabolas 2010 3 November 10, 2010 Nov 129:16 PM Identifying a Quadratic Function Determine whether

5­2 Day 1 Properties of Parabolas 2010

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November 10, 2010

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5.2 Day 1Properties of Parabolas

Objectives: 

Graph quadratic functions.Find minimum values of quadratic functions.

Page 2: 5.2 Day 1staffweb.psdschools.org/kemotich/Mrs_Motichka... · 52 Day 1 Properties of Parabolas 2010 3 November 10, 2010 Nov 129:16 PM Identifying a Quadratic Function Determine whether

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3|x| ­ 2 |x + 7|­|x ­ 4| + 1

Check Skills You'll Need

Page 3: 5.2 Day 1staffweb.psdschools.org/kemotich/Mrs_Motichka... · 52 Day 1 Properties of Parabolas 2010 3 November 10, 2010 Nov 129:16 PM Identifying a Quadratic Function Determine whether

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Identifying a Quadratic FunctionDetermine whether each function is linear or quadratic.  

Identify the quadratic, linear, and constant terms.

Page 4: 5.2 Day 1staffweb.psdschools.org/kemotich/Mrs_Motichka... · 52 Day 1 Properties of Parabolas 2010 3 November 10, 2010 Nov 129:16 PM Identifying a Quadratic Function Determine whether

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Page 5: 5.2 Day 1staffweb.psdschools.org/kemotich/Mrs_Motichka... · 52 Day 1 Properties of Parabolas 2010 3 November 10, 2010 Nov 129:16 PM Identifying a Quadratic Function Determine whether

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Example #1:Graphing a function of the form y = ax2 + bx + c.

Page 6: 5.2 Day 1staffweb.psdschools.org/kemotich/Mrs_Motichka... · 52 Day 1 Properties of Parabolas 2010 3 November 10, 2010 Nov 129:16 PM Identifying a Quadratic Function Determine whether

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Page 7: 5.2 Day 1staffweb.psdschools.org/kemotich/Mrs_Motichka... · 52 Day 1 Properties of Parabolas 2010 3 November 10, 2010 Nov 129:16 PM Identifying a Quadratic Function Determine whether

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Example #2:

Page 8: 5.2 Day 1staffweb.psdschools.org/kemotich/Mrs_Motichka... · 52 Day 1 Properties of Parabolas 2010 3 November 10, 2010 Nov 129:16 PM Identifying a Quadratic Function Determine whether

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Example #3:

Page 9: 5.2 Day 1staffweb.psdschools.org/kemotich/Mrs_Motichka... · 52 Day 1 Properties of Parabolas 2010 3 November 10, 2010 Nov 129:16 PM Identifying a Quadratic Function Determine whether

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Graphing a function of the form y = ax2 + c.Example #4:

Page 10: 5.2 Day 1staffweb.psdschools.org/kemotich/Mrs_Motichka... · 52 Day 1 Properties of Parabolas 2010 3 November 10, 2010 Nov 129:16 PM Identifying a Quadratic Function Determine whether

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What are the coordinates of the vertex of the graph of a function in the form of y = ax2 ?

Page 11: 5.2 Day 1staffweb.psdschools.org/kemotich/Mrs_Motichka... · 52 Day 1 Properties of Parabolas 2010 3 November 10, 2010 Nov 129:16 PM Identifying a Quadratic Function Determine whether

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Maximum or Minimum?

Page 12: 5.2 Day 1staffweb.psdschools.org/kemotich/Mrs_Motichka... · 52 Day 1 Properties of Parabolas 2010 3 November 10, 2010 Nov 129:16 PM Identifying a Quadratic Function Determine whether

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Homework

p. 241 #1­9p. 248 #2 ­ 26 even

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November 10, 2010

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