Question

6
Find the value of the discriminant and use it to find the number of real roots
for each of the following equations.
(i) x2 – 3x + 4 = 0

Answer 1

Answer:

D=b2-4ac

D=(-3)2-4(1)(4)

D=9-16

D=-7

Since D is less than 0. So the given equation has no roots.

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