This video explains how to determine a partial sum of an arithmetic series gives two terms. The terms are not consecutive and the first term is not given.

# III. Algebra Videos

# Formula for a Geometric Sequence Given 6th and 9th Terms (System-Fraction)

This video explains how to determine the general formula for a geometric sequence given two terms. The terms on are consecutive and the 1st term is not given.

# Formula for a Geometric Sequence Given 6th and 9th Terms (Pretend-Fraction)

This video explains how to determine the general formula for a geometric sequence given two terms. The terms on are consecutive and the 1st term is not given.

# Formula for a Geometric Sequence Given 6th and 9th Terms (System)

This video explains how to determine the general formula for a geometric sequence given two terms. The terms on are consecutive and the 1st term is not given.

# Formula for a Geometric Sequence Given 6th and 9th Terms (Pretend)

# Statistics: Introduction to the Shape of a Distribution of a Variable

This video introduces some of the more common shapes of distributions

# Probability of 3 letters With Repetition are Vowels

This video explains how to determine the probability that 3 randomly typed letters with repetition are all vowels.