Download Arithmetic Sequences

Arithmetic Sequences
PRECALCULUS
LESSON 10 – 3
Arithmetic Sequences
Arithmetic Sequences are found by adding a number to the previous term in the sequence.
Since the same number is added all the time, each term and the term after it have what is called
a common difference.
General Forms
Filling in the Blanks
Sigma Notation – Review
Sigma Notation - Shortcut
If the sequence is reaaaaaaally long, we don’t want to have to evaluate all the terms and then
add them together.
Let’s make up a 6 number sequence.
3
7
11
15
Write the sequence backwards underneath it.
19
22
Now You Try!