Question

if a quadratice equation with real coefficients has a discriminant of -2, what will its two roots be?

Answer 1

the complex roots ?

Answer 2

Don't you use the discriminant to find the roots of an equation? \[\sqrt{b ^{2}-4ac}\]?

Answer 3

like the choices are real and irrational, real and rational, imaginary, or equal

Answer 4

imaginary :)

Answer 5

Oh, you can eral or irrational roots depending on what values you place inside the square root I believe

Answer 6

real*

Answer 7

because the discriminant value (D) < 0, it has the imaginary roots

Answer 8

Yep,exactly.

Answer 9

thanks both of you

Answer 10

yw

Answer 11

No problem

Answer 12

when I factor y^3-4y the answer is y(y^2+2)(y-2) right