Answered

Use the Discriminant to describe the roots of each equation. Then select the best description.


x^2-5x+7=0


A.) Double Root

B.) Real and Rational Roots

C.) Real and Irrational Roots

D.) Non-real Roots

Verified Answer :

I think the answer would be D

bcalle

b^2 -4ac is the discriminant
5^2 -417
25-28= -3
Since the discriminant is negative the answer will be D non real roots.

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