which of the following is not quadratic expression?
-
A.
(y = 2x^2 – 5x) -
B.
(y=x(x-5)) -
C.
(y = x^2 – 5) -
D.
y = 5(x-1)
Correct Answer: Option D
Explanation
A quadratic equation is an equation of the second order. The highest power in the equation is 2.