### Main Screen:

#### Select Sequences

- In Task Box, select

Solve a System of Linear Equations - In Task box, select Sequences.

Sequences Screen

Find difference, ratio, nth term, Sum of n terms using the Personal Algebra Tutor ®

- Enter first 3 numbers of the series and number of terms.
- Determines Sequence type: Arithmetic or Geometric Sequence

- Arithmetic Sequences
- Finds Difference, nth term, and Sum of first n terms step-by-step for the Arithmetic Sequence.

- Geometric Sequences
- Finds Ratio, nth term, and Sum of first n terms step-by-step for the Geometric Sequence.

- In Task Box, select

Solve a System of Linear Equations - In Task box, select Sequences.

Sequences Screen

- Enter the first 3 terms of the sequence.
- Click the

Analyze button.

Setup

- Enter Number of Terms in

the Geometric Sequence - Click on the

Find button

Results:

- Ratio of Terms is Computed.
- Nth Term is computed
- Sum of first n terms is computed.