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The Sum of the First n Terms of an Arithmetic Sequence

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

What is the sum of the first 20 terms of this sequence?

{5, 15, 25, . . .}

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1.

What is the sum of the first 15 terms of this sequence?

{1, 8, 64, . . .}

2.

What is the sum of the first 15 terms of this sequence?

{1, 8, 64, . . .}

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About This Quiz & Worksheet

Use this worksheet and quiz to gauge your grasp of the sum of the first n terms of arithmetic sequence. You'll need to know certain topics, like sums and terms.

Quiz & Worksheet Goals

Use these assessment tools to:

  • Identify the sum of the first 20 terms of a given sequence
  • Calculate the sum of the first 15 terms of a given sequence
  • Figure out the sum of the first 21 terms

Skills practiced

Here are some skills that you can practice with these assessments:

  • Reading comprehension - ensure that you draw the most important information from the related lesson on the sum of the first n terms of an arithmetic sequence
  • Practice Problems - use acquired knowledge to solve arithmetic sequence practice problems
  • Knowledge application - use your knowledge to answer questions about the sum of the first n terms

Additional Learning

To learn more about the sum of the first n terms of an arithmetic sequence, review the lesson entitled The Sum of the First n Terms of an Arithmetic Sequence, which covers the following objectives:

  • Understand arithmetic sequence
  • Recognize how to use the formula properly
  • Define arithmetic sequence
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