DoYourMath.com Algebrator Manual For Your Algebra Problem Solver | Page 87

Using Algebrator

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2.2.2.5.10.1 Determine if a progression is arithmetic, geometric or neither

This wizard is used to determine if a progression is an arithmetic sequence, a
geometric sequence or neither of them.

It can be accessed by clicking on Wizard Button | Sequences | Determine if
a progression is arithmetic, geometric or neither.

To determine the above:
Fill the three input-boxes with the first three numbers of the sequence.
Remember that in a sequence, the order does matter. Therefore, make
certain you enter the values in the order they were given to you.
If you need to enter another value, press the "Add value" button. You can
press this button as many times as you need it.
Click on the "Solve Step" button to see the next step or "Solve all" button
to see all steps.

If you need an explanation for any particular step, click on the step and then
click on the "Explain" button.

Watch Video
Classifying progressions
2.2.2.5.10.2 Find the nth term of an arithmetic progression

This wizard is used to find the nth term of an arithmetic progression, given its
first term, a1 , and the distance, d.

It can be accessed by clicking on Wizard Button | Sequences | Find the nth
term of an arithmetic progression.

To determine the above:
Fill the input boxes corresponding to a1 , d and n. Note that "n" represents
the position of the term you wish to find (for example, if you want to find
the fifth term you will need to write n = 5).

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