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Coolmath Precalculus Review Calculus Preview
Lesson 8 - Graphing - Absolute Values (page 2 of 3)
---- This Precalculus review (Calculus preview) lesson explains how to graph functions that have absolute values around them.

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Graphing Calculator	Scientific Calculator	<< a new window will open for these

OK, so we know what the graph of this guy looks like...

Graph of Standard Parabola Guy shifted down 1

So, what would the graph of this guy look like?

y = | x^2 - 1 |

Graph of Standard Parabola Guy shifted down 1
These are negative heights
(y guys)...

Graph of Standard Parabola Guy shifted down one, but with the part below the x axis flipped upside-down
The absolute value makes
them positive!

y = | x^2 - 1 |

YOUR TURN:

Graph

Hint: Graph

first.

Continued on the next page

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