Find the discriminant and the number of real roots for this equation.

x^2+2x+8=0

A. 32; two real roots

B. - 28; one real root

C. 32; one real root

D. - 28; no real roots

Question

Catalina Yoder

Mathematics

13 February, 04:52

Find the discriminant and the number of real roots for this equation.

x^2+2x+8=0

A. 32; two real roots

B. - 28; one real root

C. 32; one real root

D. - 28; no real roots

+4

Answers (1)

Know the Answer?

Nathaly Terrell · Answer 1

D

Step-by-step explanation:

To find the discriminant you do b^2-4 (a) (c), which in this case gives you - 28. If your discriminant is less than zero, you will have no real roots.

Find the discriminant and the number of real roots for this equation.x^2+2x+8=0A. 32; two real rootsB. - 28; one real rootC. 32; one real rootD. - 28; no real roots

Find the discriminant and the number of real roots for this equation.

x^2+2x+8=0

A. 32; two real roots

B. - 28; one real root

C. 32; one real root

D. - 28; no real roots