I need help like RN!!!
what are the foci of the ellipse? graph the ellipse. 18x^2+36y^=648
2 answers:
Hi,

Center is (0,0)
Foci are (-3√2,0) and (3√2,0)
Answer:
The equation of ellipse is given by:
....[1]
where,
a and b are the semi major axis and semi minor axis.
Foci of ellipse = 
where, 
As per the statement:
Given the ellipse is:

Divide both sides by 648 we have;

On comparing with [1] we have;
and 
First find c:

Foci of the ellipse are:

Therefore, the foci of the ellipse are,
and 
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