Math 11 – Reflection week #1 – Nathan Lillycrop

This week we learnt a lot about arithmetic series and this week I learnt how to figure out the rate that the series change.
for example 3, 7, 11, 15… , so find

the difference is obviously 4, so we have that.
tn = + (n – 1)d

+ ( 13-1) 4

3 + 48 = 51