MyQuestionIcon

2

You visited us 2 times! Enjoying our articles? Unlock Full Access!

Latus Rectum

If the vertex...

Question

If the vertex of a parabola be at origin and directrix be x+5 = 0 , then its latus rectum is

A

5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

10

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

20

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

40

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
20

Distance between vertex and directrix = a = 5 units.
Therefore , latus rectum = 4a = 20

Suggest Corrections

thumbs-up

13

Similar questions

Q. If the vertex of the parabola is at origin and its directrix is

x - 3 = 0

, then the length of its latus rectum is

(0, 0)

be the vertex and

3 x - 4 y + 2 = 0

be the directrix of a parabola, then the length of its latus rectum is

Q. If the vertex of the parabola is

(2, - 3)

and its directrix is

4 x + 3 y + 6 = 0

, then the length of its latus rectum is

(2, 0)

y -

axis is the directrix of a parabola. Then the length of its latus rectum is

Q. The focus of a parabola is (

1, 5

) and its directrix is

x + y + 2 = 0

. Find the equation of the parabola. Its vertex and length of latus rectum ?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Parabola

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Standard XII Mathematics

Join BYJU'S Learning Program

CrossIcon