Posted by **Jack** on Sunday, July 21, 2013 at 6:23pm.

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=?

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