SOLUTION: What is a value of a discriminant of this polynomial? 4x^2+7x+4?

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Question 423295: What is a value of a discriminant of this polynomial? 4x^2+7x+4?
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


So the discriminant is


Since the discriminant is less than zero, this means that there are two complex solutions.


In other words, there are no real solutions.


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