State whether these equations have two distinct roots, two equal roots or no roots. a. x 2
Question:
State whether these equations have two distinct roots, two equal roots or no roots.
a. x2 + 4x + 4
b. x2 + 4x - 21
c. x2 + 9x = 1
d. x2 - 3x + 15
e. x2 - 6x + 2
f. 4x2 + 20x = 25
g. 3x2 + 2x + 7
h. 5x2 - 2x - 9
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Related Book For
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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