For each of the following equations, decide if there are two real and different roots, two equal
Question:
For each of the following equations, decide if there are two real and different roots, two equal roots or no real roots. Solve the equations with real roots.
a. x² + 3x + 2 = 0
b. t² − 9 = 0
c. x² + 16 = 0
d. 2x² − 5x = 0
e. p² + 3p − 18 = 0
f. x² + 10x + 25 = 0
g. 15a² + 2a − 1 = 0
h. 3r² + 8r = 3
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a x 3x 2 0 The discriminant is 3 412 1 8 7 Since the discriminant is negative ther...View the full answer
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Related Book For 
Cambridge IGCSE And O Level Additional Mathematics
ISBN: 9781510421646
1st Edition
Authors: Val Hanrahan, Jeanette Powell
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