Common Core Algebra I, Regents, test prep Get the Math and Points: Aug 2016 CC Alg I #10 September 22, 2016 mathconfidence Leave a comment Each number in the sequence is 4 less than the number before so the rate of change is -4. Putting that Y= – 4x – 2 into Y= gives this xy table where you can see the pattern and voila the 6th number is indeed -26!