Elex M.

asked • 12/01/16

Sequences 12

Determine whether the sequence is arithmetic. If it is, find the first term and the common difference.
 
an=2n+6, n≥1.
 
Please show Step by Step work for solution and provide final answer.

1 Expert Answer

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Mark M. answered • 12/01/16

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a1 = 2 + 6
a2 = 2(2) + 6
a3 = 2(3) + 6
 
Is it arithmetic? What is the common difference?
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Elex M.

Can you tell me if it is arithmetic and show what the common difference is please?
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12/02/16

Elex M.

Nevermind. The answer is Yes, this is arithmetic because there is a common difference of 2. Thanks so much for the help.
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12/02/16

Mark M.

You welcome! Good that you could answer your own question.
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12/02/16

Asia M.

Thank you. Sometimes it can be a little confusing while other Times it all makes sense. May you do me a favor? I had two questions on a math packet I'm working on. Do you mind helping? 
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12/05/16

Mark M.

Post them on the "Answers" site and I shall look at them and them and do my best.
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12/05/16

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