Question

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

Answer 1

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

Explanation:

`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]