Respuesta :

Nirina7
the equation is equivalent to x2/25 + y2/(25/9)= 1, it is an ellipse equation 
the center is C(0,0)
                     a=5; b= 5/3, so a>b it is a horizontal major axis type (the x-axis)
all that you do is to find all characteristics by following all required formula
         

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