SOLUTION: Determine the number of solutions and classify the type of solutions for each of the following equations. Justify your answer. x2 + 3x - 15 = 0

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Determine the number of solutions and classify the type of solutions for each of the following equations. Justify your answer. x2 + 3x - 15 = 0       Log On


   



Question 193511: Determine the number of solutions and classify the type of solutions for each of the following equations. Justify your answer.
x2 + 3x - 15 = 0

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
D=b%5E2-4ac=9-4%281%29%28-15%29=9%2B60=69
:
therefore there are 2 real solutions since Discriminant is greater than zero