1.

The vertex of a parabola is the point (a, b) and latus rectum is of length l. If the axis of the parabola is along the positive direction of y­-axis, then its equation is

A.            \[{{(x+a)}^{2}}=\frac{l}{2}(2y-2b)\] 
B.            \[{{(x-a)}^{2}}=\frac{l}{2}(2y-2b)\]
C.            \[{{(x+a)}^{2}}=\frac{l}{4}(2y-2b)\] 
D.            \[{{(x-a)}^{2}}=\frac{l}{8}(2y-2b)\]
Answer» C.            \[{{(x+a)}^{2}}=\frac{l}{4}(2y-2b)\] 


Discussion

No Comment Found

Related MCQs