Learn how to find the sum of an arithmetic series

Learn how to find the sum of an arithmetic series

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

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Quizizz Content

FREE Resource

The video tutorial explains how to find the sum of an arithmetic series using a specific formula. It covers the components of the formula, including the first term, last term, and the number of terms. The tutorial also discusses how to find the common difference and apply the explicit formula for arithmetic sequences. Finally, it demonstrates the calculation of the series sum and emphasizes the importance of understanding the formula for practical applications.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the formula for the sum of an arithmetic series?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the common difference in an arithmetic series?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you determine the number of terms in an arithmetic sequence?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What steps would you take to solve for N in the equation 15 = N + 7?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

If the first term of the series is 8 and the last term is 15, what is the eighth term?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how to find the sum of the first eight terms in the series.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it important to know the formula for the sum of an arithmetic series?

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