Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
In a circle, you must have x^2 and y^2. The signs must be positive and the coefficients must be the same.
OpenStudy (anonymous):
In a parabola, you must have x and y^2 or y and x^2. Then you know the graph is a parabola.
OpenStudy (anonymous):
n a hyperbola, you must have x^2 and y^2 but one of them is negative.
OpenStudy (anonymous):
these are the answer choices. im still a little confused.
OpenStudy (anonymous):
sorry power went out
Still Need Help?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
So now we know that 4x^2 + y^2 = 9 is an ellipse because we have x^2 and y^2. Both are positive and the coefficients are different.
OpenStudy (anonymous):
So now your job is to rearrange it so it is in this form:
1 sec
OpenStudy (anonymous):
\[\frac{ x^2 }{ a^2 }+\frac{ y^2 }{ b^2 }=1\]
OpenStudy (anonymous):
how do I rearrange them?
OpenStudy (anonymous):
Do you notice that the right side has to be 1?
Still Need Help?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
you're saying the same things that the one guy was saying for the other question -,- its almost as if you're copying & pasting. I really need help asap.