12.1 Sequences and Series

Authored by Sahar Faghihi

Mathematics

8th - 11th Grade

Used 8+ times

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6 questions

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MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Find the first 5 terms of the sequence:
$a_n=2n+4$

4, 8, 12, 16, 20

5, 7, 9, 11, 13

4, 6, 8, 10, 12

6, 8, 10, 12, 14

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Find the first 5 terms of the sequence: $a_n=\left(n+3\right)^2$

9, 16, 25, 36, 49

16, 25, 36, 49, 64

16, 25, 36, 48, 64

4, 9, 16, 25, 36

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Write a rule for the nth term: 1, 2, 4, 8, ...

$2^n$

$2^{\left(n-1\right)}$

$2n$

$n+1$

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Is this series finite or infinite?
3+5+7+9+...+17

Finite

Infinite

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Find the sum of the series:
$\sum_{i=1}^57i$

105

104

100

103

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Write the series using summation notation:
$\frac{1}{3}+\frac{1}{9}+\frac{1}{27}+\frac{1}{81}$

$\sum_{i=1}^43^i$

$\sum_{i=1}^4\frac{1}{3^2}$

$\sum_{i=1}^4\frac{1}{3i}$

$\sum_{i=1}^4\frac{1}{3^i}$

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12.1 Sequences and Series

Find the first 5 terms of the sequence: an=2n+4a_n=2n+4an​=2n+4

Find the first 5 terms of the sequence: an=(n+3)2a_n=\left(n+3\right)^2an​=(n+3)2

Write a rule for the nth term: 1, 2, 4, 8, ...

Is this series finite or infinite?3+5+7+9+...+17

Find the sum of the series: ∑i=157i\sum_{i=1}^57ii=1∑5​7i

Write the series using summation notation: 13+19+127+181\frac{1}{3}+\frac{1}{9}+\frac{1}{27}+\frac{1}{81}31​+91​+271​+811​

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Find the first 5 terms of the sequence:
$a_n=2n+4$

Find the first 5 terms of the sequence: $a_n=\left(n+3\right)^2$

Is this series finite or infinite?
3+5+7+9+...+17

Find the sum of the series:
$\sum_{i=1}^57i$

Write the series using summation notation:
$\frac{1}{3}+\frac{1}{9}+\frac{1}{27}+\frac{1}{81}$