Posted by Anonymous on Sunday, June 8, 2014 at 7:24pm.
Find two quadratic functions whose graph have given xintercepts. Find one function whose graph opens upward and another whose graph opens downward.
(4,0) (0,0)

MATH  Steve, Sunday, June 8, 2014 at 7:48pm
from the values of the roots, we know that the functions will be of the form
y = ax(x+4)
So, pick a positive to open upward, and a negative to open downward.
Any nonzero value will do.
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