a. Express 2x 2 - x + 6 in the form p(x - q) 2 + r,

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a. Express 2x² - x + 6 in the form p(x - q)² + r, where p, q and r are constants to be found.

b. Hence state the least value of 2x² - x + 6 and the value of x at which this occurs.

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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a. Express 2x 2 - x + 6 in the form p(x - q) 2 + r,

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Given expression 2x 2 x6 to expressed in the form pxq 2 r and values of p q and r to be found ...View the full answer

Cambridge IGCSE And O Level Additional Mathematics Coursebook

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