Heyy nikombel Ku pfuniw

A quadratic pattern has a third term equal to 2,a fourth term equal to -2 and the sixth term equal to-16 . calculate the second difference of this quadratic pattern show all the working

uhhhh what?

just did this:

www.jiskha.com/questions/1882664/a-quadratic-pattern-has-a-third-term-equal-to-2-a-fourth-term-equal-to-2-and-the-sixth

a few posts down under Rupert