Question

Which of the following is a quadratic equation?
(a) (x2 +1) = (2 - x)² + 3
(b) r3 - x2 = (x - 1)
(c) 2x2 + 3 = (5+ x)(2x - 3) (d) None of these

Answer 1

Answer:

option b if there is r3 and not x3

Answer 2

• the answer is a) (x^2+1)= (2-x)^2+3