# How do you find the arithmetic means of the sequence -8, __, __, __, __, 7?

##### 1 Answer

Oct 15, 2016

For problems like these, we have to ask ourselves "How many times do I have to add the common difference,

To answer, put a "+d" between -8 and the first space, between the first space and the second space, continuing until you add a d between the last space and the

In the end, you should have

We can set up the following equation:

I'm assuming that by arithmetic means you mean average, or mean, of the whole sequence.

Hence, the mean of the numbers in the sequence is

Hopefully this helps!