Question

F(x)=-3x+5x^2+8 has _______ roots

Answer 1

Answer:2

Explanation:

Answer 2

Complex roots.

Explanation:

f(x) = 5x^2 - 3x + 8

The value of the discriminant will tell us how many roots and what type of roots this has:

b^2 - 4ac = (-3)^2 - 4*5*8

= 9 - 160

= -151.

This is negative so the equation has 2 complex roots.