5.2 (day 1) Properties of Parabolas

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5.2 (day 1) Properties of Parabolas - PowerPoint PPT Presentation

5.2 (day 1) Properties of Parabolas. Objectives: To graph quadratic functions. Graph of a Quadratic Function in Standard Form. Quadratic Functions in the form of y = ax 2 +c. Using your graphing calculator compare the graphs of the following: y = x 2 y = -x 2 y = x 2 + 4 y = -x 2 – 3

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5.2 (day 1) Properties of Parabolas

Quadratic Functions in the form of y = ax2+c
• Using your graphing calculator compare the graphs of the following:
• y = x2
• y = -x2
• y = x2 + 4
• y = -x2 – 3
• y = 3x2
• y = ¼ x2 + 2

Conclusions:

Graph:
• y = x2 + 1
• Opens _______
• Axis of symmetry _________
• Vertex ________
• y-int _________
• Table of values
Graph:
• y = -3x2 - 5
• Opens _______
• Axis of symmetry _________
• Vertex ________
• y-int _________
• Table of values
Graph:
• y = 1/3x2 +1
• Opens _______
• Axis of symmetry _________
• Vertex ________
• y-int _________
• Table of values
Graph:
• y = 1/2x2 + x + 3
• Opens _______
• Axis of symmetry _________
• Vertex ________
• y-int _________
• Table of values
Graph:
• y = -2x2 + 4x + 2
• Opens _______
• Axis of symmetry _________
• Vertex ________
• y-int _________
• Table of values
Assign:
• Pg. 244 # 1-5, 10-13, 15, 20