A line has equation y = kx + 6 and a curve has equation y = x
Question:
A line has equation y = kx + 6 and a curve has equation y = x2 + 3x + 2k, where k is a constant.
i. For the case where k = 2, the line and the curve intersect at points A and B. Find the distance AB and the coordinates of the mid-point of AB.
ii. Find the two values of k for which the line is a tangent to the curve.
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i When k 2 the line and the curve have equations y 2x 6 y x2 3x 4 To find the points of intersection ...View the full answer
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Related Book For
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
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