SOLUTION: 1) Use a variety of ways to show that x^2-2x-15=0 has two solutions.
2) Explain how changing one number in the equation x^2-2x-15=0 can result in no solution.
Justify your answe
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Quadratic Equations and Parabolas
-> SOLUTION: 1) Use a variety of ways to show that x^2-2x-15=0 has two solutions.
2) Explain how changing one number in the equation x^2-2x-15=0 can result in no solution.
Justify your answe
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Question 759367: 1) Use a variety of ways to show that x^2-2x-15=0 has two solutions.
2) Explain how changing one number in the equation x^2-2x-15=0 can result in no solution.
Justify your answer. Answer by josgarithmetic(39617) (Show Source):
has no solution (more correctly stated, no real solution) if . You are free to choose any value that will work in your problem exercise. The discriminant in the current equation in your #2 is