Question

Solve for the discriminant and determine the nature of roots 1.x^2+x-72=0 2. X^2-15=0
3.6x^2+9x=0
4.3x^-2x+16=0
5.9x^-24x+16=0
6.4x^2+5x3=0

Answer 1

solve for the discriminat and determin the nature of roots