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Actually, we've already been working
with quadratics. They are the trinomial guys we've been factoring:
What makes them quadratics is that
they are 2nd degree polynomials.
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(They have a squared guy like |
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or |
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Now, we're going to be solving
equations with them like
Here's the big official form of a
quadratic equation:
Examples:
It would be silly to ever have
a =
0 in a
quadratic -- Then we wouldn't have a squared guy!
Continued on the
next
page
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