#### Answer

Please see the graph.

#### Work Step by Step

$x^2-16=0$
$x^2-16+16=0+16$
$x^2 = 16$
$\sqrt {x^2} = \sqrt {16}$
$x=4, -4$

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Published by
Prentice Hall

ISBN 10:
0133500403

ISBN 13:
978-0-13350-040-0

Please see the graph.

$x^2-16=0$
$x^2-16+16=0+16$
$x^2 = 16$
$\sqrt {x^2} = \sqrt {16}$
$x=4, -4$

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