Solve the following equations by: i. Completing the square ii. Using the quadratic formula. Give your answers

Question:

Solve the following equations by:

i. Completing the square

ii. Using the quadratic formula.

Give your answers correct to two decimal places.

a. x² − 2x − 10 = 0

b. x² + x = 0

c. 2x² + 2x − 9 = 0

d. 2x² + x − 8 = 0

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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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Solve the following equations by: i. Completing the square ii. Using the quadratic formula. Give your answers

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a Completing the square x 1 19 Using the quadratic for...View the full answer

Cambridge IGCSE And O Level Additional Mathematics

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