College Algebra
posted by Jack .
Find the equation of the parabola
y = ax2 + bx + c
that passes through the points. To verify your result, use a graphing utility to plot the points and graph the parabola.
(−2, −15), (−1, −4), (1/2,10)
y=?

College Algebra 
Steve
4a  2b + c = 15
a  b + c = 4
a + 2b + 4c = 40
y = 6x^2  7x  5
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