The diagram shows the curve y = 7x and the line y = 6x + k, where

Question:

The diagram shows the curve y = 7√x and the line y = 6x + k, where k is a constant.

The curve and the line intersect at the points A and B.
i. For the case where k = 2, find the x-coordinates of A and B.
ii. Find the value of k for which y = 6x + k is a tangent to the curve y = 7√x.

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Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

ISBN: 9781108407144

1st Edition

Authors: Sue Pemberton, Julian Gilbey

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Question Posted: Mar 09, 2023 05:43 AM

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The diagram shows the curve y = 7x and the line y = 6x + k, where

Question:

y B y = 6x + k y = 7√x

Step by Step Answer:

i We can set the two equations equal to each other and solve for x 7x 6x 2 Squaring both sides and s...View the full answer

Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

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