# Which of the Following is a Quadratic Equation ? (A) 6x2 = 20 - X3 (B) X 2 ( 1 X − 2 ) = 72 (C) 3 X − 3 = 4 X 2 (D) 5x + 7 = 3x - Algebra

MCQ

Which of the following is a quadratic equation ?

#### Options

• (A) 6x2 = 20 - x3

•   (B) x^2(1/x-2) = 72

• (C) 3/x - 3 = 4x^2

•      (D) 5x + 7 = 3x

#### Solution

(B) x^2(1/x-2) = 72

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