Question

1.
Which of the following is a quadratic equation?
(A). + 2x + 1 = (4 - X) + 3
(2-3)
(B) - 2r? -(5-2)
3
(C) (k+1)x2 + x = 7, where k= -1
x = 7, where k=-1 (D) x-x2 - (x - 1)
2​

Answer 1

Answer:

(D) coz in that option -x^2...is the highest power

Step-by-step explanation:

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