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B. 2x² + 2y² = 9 Find the centre and the radius for this equation of circle ​

B. 2x² + 2y² = 9 Find the centre and the radius for this equation of circle ​
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3 votes
B. 2x² + 2y² = 9
Find the centre and the radius for this equation of circle ​

User Semisight
by
8.5k points

1 Answer

4 votes

general equation of circle is:


(x-x_1)^2+(y-y_1)^2=r^2

so centre is (0,0) and radius is


\sqrt{ (9)/(2) }

User Oriol Terradas
by
8.5k points
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