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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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
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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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