Question

Find the axis of symmetry of the graph of the function. f(x) = 2x2 - 4x - 1

Answer 1

The axis of symmetry is a vertical line which goes through the vertex. All vertical lines have equations of the form x = some number. To find that number for this parabola, we need to know the x coordinate of the vertex which is -b/2a

Answer 2

so would it be 1?

Answer 3

That is not an equation.

Answer 4

x=1

Answer 5

Good for you. That is the equation of the axis of symmetry.