Work out whether each of these quadratic equations has two distinct roots, equal roots or no real
Question:
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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a The discriminant of the quadratic equation x x 1 0 is b 4ac 1 411 3 Since the discriminant ...View the full answer
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Related Book For
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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