Finding the Equation of a Parabola - A parabola has x - intercepts of 3 and 7, a y - intercept at - 21 and (5,4) for its vertex. Write the parabola's equation.
How to find the equation of the parabola? - Please explain how to find the equation of the parabola y+a(x^2) + bx +c that passes through (0,1) and is tangent to the line y = x - 1 at (1,0)
Parabola - Write an equation for the parabola
Vertex(-2,1) and focus (-2,-3)