Question

Please help me please i am tiimed please and dont know this
An ellipse has foci (0, ±3) and vertices (0, ±4). What is the eccentricity of the ellipse?
* 0
* 0.25
* 0.75
* 1.00

Answer 1

@Directrix ?

Answer 2

@phi

Answer 3

How does the ellipse have 3 foci? 0, -3, 3? It should be just two of them.

Answer 4

i have no clue thats why i needed help on this one

Answer 5

An ellipse always has 2 foci. Something is wrong with the question.

Answer 6

idk thats what the question says... you think you can help me with another though sicne you cant do this?

Answer 7

I can do this, if the question was right. But since the question is wrong, then I don't see how anyone can solve an incorrect question.

Answer 8

Regardless, ask whatever other question you have.

Answer 9

How far apart are the foci of an ellipse with a major axis of 26 feet and a minor axis of 24 feet? (1 point)
4 feet
5 feet
10 feet
20 feet

Answer 10

An ellipse has foci (0, ±3) and vertices (0, ±4). What is the eccentricity of the ellipse?

the eccentricity is the distance from the center to the focus divided by the distance from the center to the vertex.
http://www.mathsisfun.com/geometry/eccentricity.html

Answer 11

oh okay im still confused on the two but ill try