What is an equation of the axis of symmetry for the parabola whose equation is y=x^2-4x+2?

Find the zeros of each function. f(x) = x^2 + 5x - 6

Joanie watched 1 out of three of a movie in the morning

Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2