For each of the following functions: i. Use the method of completing the square to find the

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For each of the following functions:

i. Use the method of completing the square to find the coordinates of the turning point of the graph.

ii. State whether the turning point is a maximum or a minimum.

iii. Sketch the graph.

a. f(x) = x² + 6x + 15

b. y = 8 + 2x − x²

c. y = 2x² + 2x − 9

d. f : x → x² − 8x + 20

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Cambridge IGCSE And O Level Additional Mathematics

ISBN: 9781510421646

1st Edition

Authors: Val Hanrahan, Jeanette Powell

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Question Posted: Sep 02, 2021 01:27 AM

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For each of the following functions: i. Use the method of completing the square to find the

Question:

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a To use the method of completing the square for fx x 6x 15 we first write the function as fx x 3 6 ...View the full answer

Cambridge IGCSE And O Level Additional Mathematics

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