vertex (−12.5, 35.5),point (1, 400)

Question

Write the equation of each parabola in vertex form. y = a (x - h)² + k 

Answer 1

400=a(1+12.5)^2 + 35.5

400-35.5=a(13.5)^2

364.5 = a(182.5)

a = 364.5/182.5 = 3645/1825 = 729/365

y = (729/365)(x+12.5)^2 + 35.5