Question

Best answer gets a medal! Determine a quadratic function with the given information. Answer in the form y=a(x-h)^2+k

y-intercept of -4 and vertex at (3,-7)

Answer 1

vertex form of a parabola is \[y = a(x-h)^2+k\] for a parabola having a vertex at \((h,k)\)

Use the value of \(a\) to set the y-intercept (which is simply the value of \(y\) when \(x = 0\).