x = at2 and y = 2at are parametric equations of

1.	x = at2 and y = 2at are parametric equations of
A.	circle x2 + y2 = a2
B.	parabola y2 = 4ax
C.	ellipse x2/a2 + y2/b2
D.	ellipse x2/a2 - y2/b2
Answer» C. ellipse x2/a2 + y2/b2

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