Posted by Ceedee on Thursday, August 29, 2013 at 1:06am.
how do I graph the quadratic function in intercept form for y=(x+3)(x5)

Algebra I  Steve, Thursday, August 29, 2013 at 4:20am
you can see the xintercepts right off. They are the roots: 3 and 5
As for the yintercept, that is just 15
For excellent graphing help visit
http://rechneronline.de/functiongraphs/
and type in your function, but express all operators explicitly:
(x+3)*(x5)
To get a better picture, increase the x range to 10 to 10 and the yrange to 20 to 20
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