Algebra 2B Final Exam Review (Ch. 8-10)

Front

Create the formula for the sequence: 2, 8, 14, ...

Back

a_n = 6n - 4

Front

The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days. About what percent of the products last between 12 and 15 days?

Back

34%

Front

How would a scalar multiplication be carried out for a matrix?

Back

Multiply every element with the scalar to create a new matrix.

Front

Carey is organizing her books and putting them on shelves. She put 2 books on the first shelf, 8 books on the second shelf, 32 books on the third shelf, and 128 books on the fourth shelf. What kind of sequence is this?

Back

Geometric

Front

Find the 22nd term of the following sequence: 5, 8, 11, ...

Back

68

Front

What is the definition of a geometric sequence?

Back

A sequence where each term after the first is found by multiplying the previous term by a fixed, non-zero number called the common ratio.

Front

What is the formula for the nth term of an arithmetic sequence?

Back

a_n = a_1 + (n-1)d, where a_1 is the first term and d is the common difference.

Front

What is the mean of a data set?

Back

The sum of all data points divided by the number of data points.

Front

What is standard deviation?

Back

A measure of the amount of variation or dispersion in a set of values.

Front

What is the difference between a scalar and a vector?

Back

A scalar is a single value, while a vector has both magnitude and direction.