Quadratic Functions

y = 3(x + 5)² - 4: What is the vertex of the parabola?

Axis of symmetry for y=4x²-8x+9?

What is the maximum height that the arrow reaches given the function h(t) = -16t² + 32t + 28?

Find the y-intercept of $$y=x^2-11x+30$$

Find the axis of symmetry of $$y=3\left(x-2\right)^2+3$$

Find the vertex of $$y=-\frac{1}{2}\left(x+11\right)^2-4$$

Is the graph of f(x) = -(x + 3)² - 5 concave up or down?

What translations occur from the parent function to create the graph of f(x) = (x + 4)² - 7? Options: left 7 & down 4, left 4 & down 7, right 4 & up 7, right 4 & down 7

How did f(x) = (x + 6)² - 2 transform from the parent function?

Find the axis of symmetry for
f(x) = 2x²- 8x + 15.