Posted by Peter on Tuesday, September 4, 2012 at 1:58am.
Find two quadratic functions, one that opens upward and one that opens downward, whose graphs have the given xintercepts.
(3, 0), (1/2, 0)

Math  MathMate, Tuesday, September 4, 2012 at 8:29am
Quadratic functions that have given xintercepts x1 and x2 are given by the equation:
y=a(xx1)(xx2)
If a>0, the curve opens upwards, and if a<0, the curve opens downwards.
a can be any value ≠0 depending on the location of the vertex or any other point on the curve.
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