The vertex of a parabola is the point, (a,b) and the latus rectum is of length, l. the axis of the parabola is parallel to the y-axis and the parabola is concave upward, then its equation is

\[{{(x-a)}^{2}}=\frac{1}{2}(2y-2b)\]

\[{{(x+a)}^{2}}=\frac{1}{2}(2y-2b)\]

\[{{(x+a)}^{2}}=\frac{1}{4}(2y-2b)\]

\[{{(x-a)}^{2}}=\frac{1}{8}(2y-2b)\]

The vertex of a parabola is the point, (a,b) and the latus rectum is o

1.	The vertex of a parabola is the point, (a,b) and the latus rectum is of length, l. the axis of the parabola is parallel to the y-axis and the parabola is concave upward, then its equation is
A.	\[{{(x+a)}^{2}}=\frac{1}{2}(2y-2b)\]
B.	\[{{(x-a)}^{2}}=\frac{1}{2}(2y-2b)\]
C.	\[{{(x+a)}^{2}}=\frac{1}{4}(2y-2b)\]
D.	\[{{(x-a)}^{2}}=\frac{1}{8}(2y-2b)\]
Answer» B. \[{{(x-a)}^{2}}=\frac{1}{2}(2y-2b)\]

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The vertex of a parabola is the point, (a,b) and the latus rectum is of length, l. the axis of the parabola is parallel to the y-axis and the parabola is concave upward, then its equation is

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