Question

How do you graph the quadratic function and identify the vertex and axis of symmetry for `y=2x^2-12x+19`?

Answer 1

`y=2(x-3)^2+1`

Explanation:

`y=2(x^2-6x+19/2)`
Completing the square
`y=2(x-3)^2+2(19/2-18/2)`
so we have
`y=2(x-3)^2+1`