SOLUTION: For the following quadratic equation, determine the nature of the roots. 5x^2-20x-225=0

Question 1128717: For the following quadratic equation, determine the nature of the roots.
5x^2-20x-225=0

Found 3 solutions by ikleyn, MathLover1, MathTherapy:
Answer by ikleyn(52778)   (Show Source): You can put this solution on YOUR website!
.

I can determine not only "the nature" of the roots (the term NONSENSICAL in MATH), but their values, too: they are integer numbers 9 and -5.

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Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!
......first simplify, both sides divide by
............factor

solutions:

=>

=>

Answer by MathTherapy(10551)   (Show Source): You can put this solution on YOUR website!
For the following quadratic equation, determine the nature of the roots.
5x^2-20x-225=0

The NATURE of the roots is determined by calculating the DISCRIMINANT, .
In this case, it's 4,900 which signifies that the:
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