Prove: The difference of the squares of two successive integers is equal to the
sum of the integers.
(n + 1)2-n2 = [ ? ]n +[ ]
= n + (n + 1)
Enter

The first term of a sequence is -12. the recursive formula for the sequence is an = an-1 + 9. what are the next 3 terms in the sequence? a) -3, -15, -27 b) -3, 6, 15 c) -3, -6, -3 d) -3, -6, 3