Question

A quadratic equation of the from 0=ax2+bx +c has discriminated value of -16 .how many real number solutions does the equation have

Answer 1

+ discriminant => 2 real, unequal roots
0 discriminant => 2 real, equal roots
- discriminant => 2 imaginary or complex roots which are conjugates

Here the discriminant is -16.  How many real number solutions does this equation have?  Think before you make your choice!