A curve has equation y 10x x 2 a Express 10x x 2 in the form a (x b) 2 b Write down the coordinates of the vertex of the curve c Find the set of values of x for which y 9 ...

a To express 10x x2 in the form a x b2 we can complete the square 10x x2 x2 10x x2 10x x2 10x 25 25 ...

A curve has equation y = 10x x 2 . a. Express 10x x 2

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A curve has equation y = 10x − x².

a. Express 10x − x² in the form a − (x + b)².

b. Write down the coordinates of the vertex of the curve.

c. Find the set of values of x for which y ≤ 9.

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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 05:44 AM

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A curve has equation y = 10x x 2 . a. Express 10x x 2

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a To express 10x x2 in the form a x b2 we can complete the square 10x x2 x2 10x x2 10x x2 10x 25 25 ...View the full answer

Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

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