The parametric equation of the parabola y2 = 4ax is
A. x = at; y = 2at
B. x = at2; y = 2at
C. x = at2; y2 = at3
D. x = at2; y = 4at
Answer:B
The parametric equation of the parabola y2 = 4ax is
A. x = at; y = 2at B. x = at2; y = 2at C. x = at2; y2 = at3 D. x = at2; y = 4at