9th
-
12th
grade

Mathematics

55%

accuracy

303

plays

John O'Malley IV

4 years

Mathematics

9th -

12thgrade

Sequences & Series

John O'Malley IV

303
plays

10 questions

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1. Multiple Choice
5 minutes
1 pt
Which term is 12,288 in the sequence given by: 3, 6, 12, 24, ...
11
12
13
14
2. Multiple Choice
5 minutes
1 pt
Find the explicit rule for an arithmetic sequence if the 6th term is -38 and the 14th term is -110
a_n=7-9(n-1)
a_n=-9+7(n-1)
a_n=-83+9(n-1)
a_n=9-83(n-1)
3. Multiple Choice
1 minute
1 pt
Does this sequence converge or diverge? $\left\{\frac{10n-6}{2n-3}\right\}$
Converges to 0
Converges to 2
Converges to 5
Diverges
4. Multiple Choice
1 minute
1 pt
Does this sequence converge or diverge? $\frac{1}{3},1,3,9,...$
Converges to 0
Converges to 1
Converges to 3
Diverges
5. Multiple Choice
1 minute
1 pt
Does this sequence converge or diverge? $\frac{1}{4},\frac{1}{9},\frac{1}{16},\frac{1}{25},...$
Converges to 0
Converges to 1
Converges to 5
Diverges
6. Multiple Choice
5 minutes
1 pt
A geometric sum has g₂=18 and g₅=486. Find the sum of the first 9 terms.
1,536
59,046
177,156
None of these
7. Multiple Choice
5 minutes
1 pt
Which of the following expresses 1+3+5+...+39
$\sum_{k=1}^{20}2k-1$
$\sum_{k=2}^{40}k-1$
$\sum_{k=-1}^{37}k+2$
$\sum_{k=1}^{39}2k-1$
8. Multiple Choice
5 minutes
1 pt
Find the sum of the first 10 terms for the series: -1 + 2 + 5 + 8 + ...
122
125
128
131
9. Multiple Choice
5 minutes
1 pt
An arithmetic sequence has a₁₅=160 and a common difference of -15. Find a₄₀.
535
370
-170
-215
10. Multiple Choice
5 minutes
1 pt
A geometric series is as follows: 40 + 36 + 32.4 + ...
Find the sum of this series.
300
400
500
600
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Sequences & Series

9th - 12thgrade

Mathematics

Mathematics

9th -

12thgrade

Sequences & Series

303 plays

10 questions

Introducing new Paper mode

9th
-
12th
grade

303
plays