Graph the following function, F(x)=-2x^2-8x-10, identify the point at which the vertex is and whether the point is a minimum point or maximum point.

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baxthum8 | High School Teacher | (Level 3) Associate Educator

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`f(x)=2x^2-8x+10 ` Graph

Put into graphing form by completing the square.

`(2x^2 - 8x) + 10 `

`2(x^2 - 4x ) + 10 `

`2(x^2-4x+4) + 10-8 `

`f(x) = 2(x-2)^2+2 `

The graph is an upward parabola at vertex (minimum) at (2,2) with stretch factor of 2.

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