Question

How can you tell when a quadratic equation has no real solutions?

when the radicand is negative

when b in the quadratic formula is greater than the radicand

when the radicand equals zero

when the radicand is not a perfect square

Answer 1

when written in standard form, \(\large ax^2+bx+c=0 \), the discriminant, \(\large b^2-4ac<0 \). ie, the discriminant is negative...