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Mathematics 18 Online
OpenStudy (anonymous):

This equation, 25x2 + 9y2 - 150x = 0, represents:

myininaya (myininaya):

ellipse 25x^2-150x+9y^2=0 25(x^2-6x)+9y^2=0 25(x^2-6x+9)+9y^2=25(9) 25(x-3)^2+9(y-0)^2=25(9) (x-3)^2/9+(y-0)^2/25=1 with center (3,0)

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