eleven thousand, one hundred eleven.
-2 ,+2, -2 ,+2 etc ......
The pattern shown is add one, subract two, subract two, then add four.
To find out you do Y2-Y1 over X2-X1....1-(-1)/-1-1......1-(-1)=2-1-1=-2the slope is 2over-2
it is 10. First, you need to count how many 1's there are. 1,2,3,4,5,6,7,8,9,10! There are 10.