A parabola passing through the point (-4,-2) has its vertex at the origin and y-axis as its axis. The latus rectum of

the parabola is

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Solution

The correct option is B
8

Let the equation of parabola is $x^{2} = 4 a y,$ but a = $\frac{4}{- 2} = - 2. T h e n e q u a t i o n i s x^{2} = - 8 y$ and latus rectum = 4a = 8

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Similar questions

A parabola passing through the point (-4,-2) has its vertex at the origin and y-axis as its axis. The latus rectum of

the parabola is

(- 4, - 2)

y -

x

(0, 0), (2, 1), (4, - 1) .

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