Question

using the discriminant, determine the # of real solutions of the quadratic equation. -6x^2+5x-7=0

Answer 1

well, what's the problem. use the discriminant.

if positive, 2 roots
if 0, 1 root
if negative, imaginary roots.

Answer 2

i dnt know how

Answer 3

discriminant\[=b^{2}-4ac\]
in your case,
a=-6
b=5
c=-7
and analyze using the conditions given by petewe