a. Express 2x 2 + 9x + 4 in the form a(x + b) 2 + c,
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a. Express 2x2 + 9x + 4 in the form a(x + b)2 + c, where a, b and c are constants.
b. Write down the coordinates of the vertex of the curve y = 2x2 +9x +4, and state whether this is a maximum or a minimum point.
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a To express 2x2 9x 4 in the form ax b2 c we need to complete the square First we factor out the ...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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