Section 7.2 The Parabola

Before Starting this Section, Review

  1. 1 Distance formula (Section 2.1 , page 178)

  2. 2 Midpoint formula (Section 2.1 , page 180)

  3. 3 Completing the square (Section 3.1 , page 321)

  4. 4 Line of symmetry (Section 2.2 , page 188)

  5. 5 Slopes of perpendicular lines (Section 2.3 , page 205)

Objectives

  1. 1 Define a parabola geometrically.

  2. 2 Find an equation of a parabola.

  3. 3 Translate a parabola.

  4. 4 Use the reflecting property of parabolas.

The Hubble Space Telescope

In 1918, the 2.5-meter (100-inch) Hooker Telescope was installed at Mount Wilson Observatory in Pasadena, California. With this telescope, astronomer Edwin Hubble measured ...

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