Question

b^2-4ac>-1 means the roots are real? true or false

Answer 1

that \(b^2-4ac\)
is called the discriminant of a quadratic expression.

for the roots to be real numbers, discriminant must be positive!

Answer 2

is b^2-4ac positive ?

Answer 3

Im guessing so

Answer 4

b^2-4ac>-1
means x can also be = -0.5
for which the roots will NOT be real!