What is the critical f(x)=-2x^2-y^2+8x+10y-5xy ?

The critical f(x)=-2x^2-y^2+8x+10y-5xy is (2,0)

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critical f(x)=-2x^2-y^2+8x+10y-5xy

critical points

f (x) = - 2 x^{2} - y^{2} + 8 x + 10 y - 5 x y

(2, 0)

Solution steps

- 2 x^{2} - y^{2} + 8 x + 10 y - 5 x y

Find where

\nabla f (x, y)

is equal to zero or undefined

(2, 0)

f (x, y) = x^{2} + y^{2} - 2 x

f (x) = x^{2} - 6 x - 7

f (x, y) = 2 y^{3} + x^{2} y

f (x) = x^{2} + 2 x + 2

f (x, y) = - 54 x + 2 x^{3} + 6 x y^{2} - 3 y^{3}

What is the critical f(x)=-2x^2-y^2+8x+10y-5xy ?
The critical f(x)=-2x^2-y^2+8x+10y-5xy is (2,0)