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9x^2 +25y^2 = 64 into form of (x-h)^2/a^2 + (y-k)^2/b^2, How?
9x^2 +25y^2 = 64
This is an ellipse with center at (0,0) and horizontal major axis
Standard form of ellipse: (x-h)^2/a^2+(y-k)^2/b^2=1
For given equation:
The graph below shows what this ellipse looks like