Learn how to write the first five terms of a sequence by plugging in their values

Learn how to write the first five terms of a sequence by plugging in their values

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

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The video tutorial explains how to calculate the first five terms of a sequence defined by a_n = 1/2 * n^3 + 1. The instructor demonstrates the process of substituting values for n, applying the order of operations, and handling fractions. Each term is calculated step-by-step, emphasizing the importance of consistent denominators when adding fractions. The tutorial covers the calculations for n=1 to n=5, providing both fractional and decimal results where applicable.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first term of the sequence when n = 1?

3

2

1.5

1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the second term of the sequence when n = 2?

1/2 * 2^3 + 1

1/2 * 2^3 - 1

1/2 * 2^2 + 1

1/2 * 2^2 - 1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the third term of the sequence when n = 3?

31/2

25/2

29/2

27/2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the fourth term of the sequence when n = 4?

32

33

34

35

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the fifth term of the sequence when n = 5?

131/2

125/2

127/2

129/2