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

Question

Katelynn Francis

10 July, 22:30

+1

Answers (2)

Know the Answer?

Jacqueline Walton · Answer 1

Jacqueline Walton 10 July, 22:53

0

I think the answer would be D

Cindy Browning · Answer 2

B^2 - 4ac is the discriminant

5^2 - 4*1*7

25-28 = - 3

Since the discriminant is negative the answer will be D non real roots.

Use the Discriminant to describe the roots of each equation. Then select the best description.x^2-5x+7=0A.) Double RootB.) Real and Rational RootsC.) Real and Irrational RootsD.) Non-real Roots