Work out whether each of these quadratic equations has two distinct roots, equal roots or no real

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Work out whether each of these quadratic equations has two distinct roots, equal roots or no real roots.

a) x² + x + 1 = 0

b) 4x² + 12x + 9 = 0

c) 3x² + 4x + 1 = 0

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Complete Pure Mathematics 1 For Cambridge International AS & A Level

ISBN: 9780198427438

2nd Edition

Authors: Jean Linsky, Brian Western, James Nicholson

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Question Posted: Apr 13, 2023 10:58 AM

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Work out whether each of these quadratic equations has two distinct roots, equal roots or no real

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a The discriminant of the quadratic equation x x 1 0 is b 4ac 1 411 3 Since the discriminant ...View the full answer

Complete Pure Mathematics 1 For Cambridge International AS & A Level

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