Calculate the discriminant to determine the number of real roots.

Y=x^2+3x+9

How many real roots does the equation have?

A) no real roots

B) no solution to the equation

C) one real root

D) two real roots

Question

Shania Holmes

12 April, 19:28

+4

Answers (1)

Know the Answer?

Kaelyn Vincent · Answer 1

D = b^2 - 4ac = 3^2 - 4*1*9

= 9 - 36 = - 27

because its negative there are no real roots

just 2 imaginary roots

Calculate the discriminant to determine the number of real roots.Y=x^2+3x+9How many real roots does the equation have?A) no real rootsB) no solution to the equationC) one real rootD) two real roots