In a quadratic sequence.....Term 2 is 11,Term 4 is -7,term 7 is -64....determin the general term for the sequence

Answer 1

4a + 2b + c = 11
16a + 4b + c = -7
49a + 7b + c = -64

(a,b,c) = (-2,3,13)

So, Tn = -2n^2 + 3n + 13

Answer 2

How dd u fynd dem....lyk de steps

Answer 3

just solved the system of equations. I used wolframalpha.com, but you can use elimination, determinants, substitution, or whatever you like to use for solving systems of equations.

Algebra I stuff. Dust off those skills.