Question

2) Which of the following is not a quadratic
equation?
(July ’19)
(A) x2 + 4x = 11 + x2 (B) x2 = 4x
(C) 5x2 = 90
(D) 2x - x2 = x2 + 5
) If the roots of x2 + kx + k = 0 are real and equa
what is the value of k?
(A) 0 (B) 4 (C) 0 or 4 (D) 2
Which of the following is the value of th
discriminant for 2x2 - 5x + 2 = 0
27​

Answer 1

Step-by-step explanation:

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