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Mathematics 7 Online
OpenStudy (katherinesmith):

Write the equation of an ellipse with vertices (10, 0) and (-10, 0) and co-vertices (0, 2) and (0, -2).

OpenStudy (katherinesmith):

@zepdrix

OpenStudy (mertsj):

What is a?

OpenStudy (katherinesmith):

i don't know :(

OpenStudy (mertsj):

Did you draw the picture of the thing?

OpenStudy (katherinesmith):

yes

OpenStudy (mertsj):

What is the center?

OpenStudy (katherinesmith):

(0, 0)

OpenStudy (mertsj):

|dw:1380854371682:dw|

OpenStudy (mertsj):

a is the distance from the center to the vertex what is a?

OpenStudy (katherinesmith):

what is the vertex in this case?

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