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What you Learned

Ø      The graph forms a “U” shape.

Ø      Satellite Dish

Ø      Microphone at sidelines of football games, to hear the “crunch” at the line of scrimmage.

Ø      Flashlight

Ø      Antique candle with parabolic reflector

Ø      Some TV antennas

Ø      Solar “cigarette” lighter

Ø      Solar Hot Dog cooker

Ø      What makes the satellite dish, microphone, and flashlight work?

Ø      Why are the sound waves and light rays amplified in a parabola?

Ø      How do you “find” or know where to locate the focus?

Ø      What a parabola is.

Ø      The Geometric definition of a parabola.

Ø      The vocabulary words: focus, directrix, vertex, axis of symmetry, parabola, and parabolic.

Ø      What the Algebraic equation of a parabola looks like.

Ø      How to graph a parabola using a chart or table of points.

Ø      Why the focus is so important in everyday applications of parabolas.  It acts like a natural amplifier for sound waves and light rays.