The equation of a quadratic curve is

MATHEMATICS · Subjective · CBSE · Mathematics · Pair of Linear Equations in Two Variables · Pair of Linear Equations in Two Variables

Problem

The equation of a quadratic curve is y=ax2+bx+cy=ax^2+bx+c. The curve passes through (5,0)(5,0), (2,−9)(2,-9), and (−2,7)(-2,7). Work out the equation of the curve. Do not use trial and improvement. Show your working.

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