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What is the discriminant of the equation-x^2-9x-9=0
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What is the discriminant of the equation-x^2-9x-9=0

User Alvaro Silvino
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1 Answer

4 votes

Given data:

The given expression is -x^2-9x-9=0.

The descriminant of the given equation is,


\begin{gathered} D=(-9)^2-4(-1)(-9) \\ =81-36 \\ =45 \end{gathered}

Thus, the descriminant of the given equation is 45.

User Renaat De Muynck
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