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Published byChristiana Byrd Modified over 9 years ago

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Warm-Up 1/08 Identify the vertex, focus, axis of symmetry and directrix of the equation (y + 5)² = 24(x – 1). h = 1; k = – 5; p = 6 vertex: (1, – 5) focus: (7, – 5) AS: y = – 5 DX: x = – 5

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Rigor: You will learn how to analyze and graph equations of parabolas and how to write equations of parabolas. Relevance: You will be able to use graphs and equations of parabolas to solve real world problems.

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7-1b Parabolas

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Example 4a: Write an equation for and graph a parabola with the give Characteristics. graph opens right xy 1– 4 03 49 – 8 3 – 12 9

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Example 4b: Write an equation for and graph a parabola with the give Characteristics. graph opens up xy –2–24 77 1610 7 –8 16 – 14

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Example 4c: Write an equation for and graph a parabola with the give Characteristics. xy 41 52 9– 4 – 3 2 – 7 – 4

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graph opens right

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math! 7-1a Assignment: TX p428, 28-48 EOE only graph 28 & 32

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