Week 10 – Midterm Review – Sequences and Series

This week in Pre Calc 11, we were studying for our midterm. One unit that I was struggling with was the first unit, Sequences and Series, mainly sequences.

For example…

Find for the arithmetic series 11, 17, 23, 29, 35….

Our formula is…

So, we know that d=6  and n=45

So,