ShayA677222 ShayA677222

26-10-2022
Mathematics

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

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JozlynN381797 JozlynN381797

26-10-2022

Given data:

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

The descriminant of the given equation is,

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

Thus, the descriminant of the given equation is 45.

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