SOLUTION: Determine whether the following have a solution or not. Justify answer. x^2+3x-15=0 x^2+x+4=0 x^2-4x-7=0 x^2-8x+16=0 2x^2+3x+7=0 x^2-4x-77=0 3x^2-7x+6=0 4x^2+16x+16=0

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Determine whether the following have a solution or not. Justify answer. x^2+3x-15=0 x^2+x+4=0 x^2-4x-7=0 x^2-8x+16=0 2x^2+3x+7=0 x^2-4x-77=0 3x^2-7x+6=0 4x^2+16x+16=0      Log On


   

Question 180569: Determine whether the following have a solution or not. Justify answer.
x^2+3x-15=0
x^2+x+4=0
x^2-4x-7=0
x^2-8x+16=0
2x^2+3x+7=0
x^2-4x-77=0
3x^2-7x+6=0
4x^2+16x+16=0
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
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Then, based on the value of the discriminant, determine if there are real solutions for each expression