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L10-2 Obj: Students will be able to find equations for parabolas

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Presentation on theme: "L10-2 Obj: Students will be able to find equations for parabolas"— Presentation transcript:

1 L10-2 Obj: Students will be able to find equations for parabolas Obj: Students will be able to identify the vertex, focus, and directrix of a parabola

2 Conics Circle Parabola Ellipse Hyperbola

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4 Parabola Equations

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6 Write an equation for a graph that is the set of all points in the pane that are equidistant from the point F(0,3) and the line y=-3

7 Write an equation for a graph that is the set of all points in the plane that are equidistant from the given point F(0,-1) and the line y=1

8 Parabolas Write an equation for a parabola with a vertex at the origin and a focus at (0, –7).

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10 Parabolas Identify the focus and directrix of the graph of the equation x = – y2.

11 Then graph

12 Then graph

13 Then graph

14 Parabolas Identify the vertex, the focus, and the directrix of the graph of the equation x x + 8y – 4 = 0. Then graph the parabola.

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16 Homework L10.2 (p 568) #2-12e, 24-40e


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