SOLUTION: Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rationa

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Question 281671: Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions.
x2 + 10x + 19 = 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


Subtract from to get


Since the discriminant is greater than zero, and isn't a perfect square, this means that there are two real and irrational solutions.

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