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37. A quadratic equation is described as: x2 +8xy + 7y2 = 225. Which of the following statement is incorrect?
(A) The curve is centered at the origin
(B) This quadratic curve is an ellipse
(C) One of the principal axes is
(D) The other principal axis is
(E) The shortest distance from this quadratic curve to the origin is 5



37. A quadratic equation is described as..-阿摩線上測驗