SOLUTION: State the value of the discriminant: 10x^2+5x-5=0

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Question 318628: State the value of the discriminant: 10x^2+5x-5=0
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

From we can see that , , and


Start with the discriminant formula.


Plug in , , and


Square to get


Multiply to get


Rewrite as


Add to to get


So the discriminant is


Since the discriminant is greater than zero, this means that there are two real solutions.

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