Path of a Moving Object Radio Telescope Torch Reflector Satellite Dish Receiver Transmitter y = ax 2 A Parabolic device has a single focus. This enables radiation to be received and amplified or transmitted and amplified. Single Focus
9.1 Plotting Parabolas
x y y = x 2 Example 1. xy
y x y = x 2 - 2x - 8 x x2x2 -2x -8 y Drawing quadratic graphs of the form y = ax 2 + bx + c Example 2.
Example 3. Drawing quadratic graphs of the form y = ax 2 + bx + c x y y = x 2 + 5x + 2 y 2 5x5x x2x x
Plotting Parabolas WorksheetWorksheet Complete the tables. Plot each parabola on a set of axes.
x y Example 1 y = x 2 xy
y x y = x 2 - 2x - 8 y -8 -2x x2x x Example 2
x y y = x 2 + 5x + 2 y 2 5x x2x x Example 3