Posted by **Anonymous** on Sunday, June 8, 2014 at 7:24pm.

Find two quadratic functions whose graph have given x-intercepts. 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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