Question

What are the directrices of the ellipse given by the equation... I have a picture of the exact problem posted as a comment.

Answer 1

If you want my answer choices let me know. Im just completely lost on this question

Answer 2

the equation of an ellipse has = 1 at the end
x^2/36 + y^2/100 = 1

Does this look right?

Answer 3

yes thats it

Answer 4

oh sorry It didnt save the =1 from the problem! I didnt realize that

Answer 5

DO you know how to do this?

Answer 6

yes.

Answer 7

the equation of an ellipse is
\[ \frac{x^2}{a^2}+ \frac{y^2}{b^2}= 1 \]

what is a and b for your ellipse?

Answer 8

a is 10 and b is 6

Answer 9

now let's sketch it