Question

Find discriminant of the quadratic equation x2 -2√5x -70 and state the nature of the roots.

Answer 1

Answer:

Step-by-step explanation:

It's roots nature will be real and distinct as the discriminant is greater than 0.

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Answer 2

Answer:

D = b²- 4ac

D = (-2√5)²- 4×1×(-70)

D = 20 + 280

D = 300

.°. D = 300

Here D > 0

So the equation has two real and distinct roots.

Step-by-step explanation:

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