A line has equation y = 2kx 7 and a curve has equation y = x

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A line has equation y = 2kx − 7 and a curve has equation y = x² + kx − 3, where k is a positive integer.

a) Find the value of k for which the line is a tangent to the curve.

b) For this value of k, find the coordinates of the point where the line touches the curve.

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Complete Pure Mathematics 1 For Cambridge International AS & A Level

ISBN: 9780198427438

2nd Edition

Authors: Jean Linsky, Brian Western, James Nicholson

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Question Posted: Apr 13, 2023 10:51 AM

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A line has equation y = 2kx 7 and a curve has equation y = x

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a To find the value of k for which the line is a tangent to the curve we need to equate their gradie...View the full answer

Complete Pure Mathematics 1 For Cambridge International AS & A Level

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