http://highlandsr.spps.org/uploads/ms1unit1day7coorgeonotesb.pdf - 0 views
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Joe Lazur on 28 Sep 12here are the notes from today's class
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Quadratic formula
A quadratic equation with real or complex coefficients has two solutions, called roots. These two solutions may or may not be distinct, and they may or may not be real.
Having
the roots are given by the quadratic formula[1]
where the symbol "±" indicates that both
are solutions of the quadratic equation.[2]
