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Co-ordinate geometry

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by Anurag@Gurome » Mon Oct 10, 2011 6:22 am
(-2, k) is a point on the graph y = 2x² - 3x + 1

Thus, for x = -2, y = k
Hence, k = 2*(-2)² - 3*(-2) + 1 = 8 + 6 + 1 = 15

The correct answer is E.
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by saketk » Tue Oct 11, 2011 8:09 am
GmatKiss wrote:Is the answer 15 ?
Yes
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