What is the axis of symmetry and vertex for the graph $y= x ^2 -8x$ ?

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Answer 1 · 2016-06-30T10:26:29

Vertex is at $(4,-16)$ Axis of symmetry is $x=4$

$y=x^2-8x = (x-4)^2-16 :.$ Vertex is at $(4,-16)$ Axis of symmetry is $x=4$ graph{x^2-8x [-40, 40, -20, 20]}[Ans]

What is the axis of symmetry and vertex for the graph y= x ^2 -8xy= x ^2 -8x?