Q1Multiple choiceExercise 4.1
Which of the following is a quadratic equation? 2
- (A)x2 + 2x + 1 = (4 – x)2 + 3
- (B)–2x2 = (5 – x) 2 x − 5
- (C)(k + 1)x2 + x = 7, where k = –1
- (D)x3 – x2 = (x – 1)3
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(D) x3 – x2 = (x – 1)3
Which of the following is a quadratic equation? 2
(D) x3 – x2 = (x – 1)3