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Focus of a Parabola Section 2.3.

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Presentation on theme: "Focus of a Parabola Section 2.3."— Presentation transcript:

1 Focus of a Parabola Section 2.3

2 Bellwork

3 A parabola can also be defined as the set of all points (x, y) in a plane that are equidistant from a fixed point called the focus and a fixed line called the directrix.

4

5 Graphing an Equation of a Parabola
Graphing an Equation of a Parabola Identify the focus, directrix, and axis of symmetry of −4x = 𝑦 2 . Graph the equation.

6 Writing an Equation of a Parabola
Write an equation of the parabola shown.

7

8

9 Writing an Equation of a Translated Parabola
Write an equation of the parabola shown.

10 Use the Distance Formula to write an equation of the parabola.

11 Write an equation of the parabola shown.

12

13 write an equation of the parabola shown.

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