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Recurrence Relations

Authored by Glenn Currie

Mathematics

9th - 12th Grade

Used 38+ times

Recurrence Relations
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15 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Write down the first four terms of the sequence if a1 = 1 and an+1 = 2an + 4.

0, 4, 12, 28

1, 4, 10, 18

1, 4, 12, 28

1, 6, 16, 36

6, 16, 34, 72

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Given the recurrence relation

tn+1 = 2tn + 3 and t3 = 25,

find t6.

109

206

221

315

445

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Given the recurrence relation

tn+1 = 3tn + 5 and t4 = 200,

find the first term.

0

5

14

20

22

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the recurrence relation that generates the sequence

11, 7, 3, –1, ...

tn+1 = tn + 4, where t1 = 11

tn+1 = tn – 4, where t1 = 11

tn+1 = –4tn, where t1 = 11

tn+1 = 2tn + 2, where t1 = 11

tn+1 = 2tn – 15, where t1 = 11

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A recurrence relation generates the arithmetic sequence

5, 9, 13, 17, ...

Find a rule for the nth term of the sequence.

tn = n + 4

tn = 4n – 3

tn = 4n + 1

tn = 4n + 5

tn = 5n + 4

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If the 8th term of an arithmetic progression is –29, and the first term is 6, find the recurrence relation that describes the sequence.

tn+1 = –5tn, where t1 = 6

tn+1 = tn + 5, where t1 = 6

tn+1 = tn + 13, where t1 = 6

tn+1 = tn – 5, where t1 = 6

tn+1 = 7tn – 11, where t1 = 6

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If the 6th term of an arithmetic progression is 22,

and the 13th term is 50,

find the recurrence relation that describes the sequence.

tn+1 = 4tn, where t1 = 2

tn+1 = tn + 4, where t1 = 2

tn+1 = tn + 5, where t1 = 2

tn+1 = tn – 4, where t1 = 2

tn+1 = 3tn + 2, where t1 = 2

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