Which of the following statements is correct about quadratic number patterns.

A

The first ofference is constant

B.

The third ofference is greater than zero.

C The Ference between terms is alueys positive

D. The second oference is constant

D. The second difference is constant

Step-by-step explanation:

For a number sequence described by a polynomial, the n-th difference is constant for a polynomial of degree n. For a 2nd-degree (quadratic) sequence, the 2nd difference is constant.