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Coolmath Precalculus Review Calculus Preview
Lesson 9 - Graphing - Sideways Parabolas (page 6 of 6)
---- This Precalculus review (Calculus preview) lesson explains how to graph sideways parabolas.

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All together now!

Graph

Let's identify each thing that's going on:

x = -2( y + 1 )^2 + 4 ... the y guy is squared -- so, it's sideways! ... the negative means it's upside-down ... the 2 means it's twice as tall ... the + 1 means it shifts to y = -1 ... + 4 means it shifts 4 towards positive x's

upside-down Sideways Parabola Guy, twice as tall, shifted down 1 to y = -1, and shifted right 4 to x = 4

YOUR TURN:

Graph

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