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.
baxthum8 | Certified Educator
`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.