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Sequences: Quiz 3 - Answer
Sequences: Quiz 3 - Answer
Part 1
1) 2n + 3
2) 3n + 7
3) 7n – 3
4) -3n + 23
5) -5n + 29
6) -6n + 3
Part 2
1) 2n + 3
2) 3n + 7
3) 7n – 3
4) -3n + 23
5) -5n + 29
6) -6n + 3
Part 2
1) 11n – 8
7th = 69
9th = 91
28th = 300
2) 6n + 53
20th = 173
13th = 131
105th = 683
3) -7n + 37
13th = -54
22nd = -117
55th = -348
Working
Questions
Part 1
Write down an expression for the nth term for the sequences below.
1) 5, 7, 9, 11, 13 …
2) 10, 13, 16, 19, 22 …
3) 4, 11, 18, 25, 32 …
4) 20, 17, 14, 11, 8 …
5) 24, 19, 14, 9 …
6) -3, -9, -15, -21 …
Part 1
Write down an expression for the nth term for the sequences below.
1) 5, 7, 9, 11, 13 …
2) 10, 13, 16, 19, 22 …
3) 4, 11, 18, 25, 32 …
4) 20, 17, 14, 11, 8 …
5) 24, 19, 14, 9 …
6) -3, -9, -15, -21 …
Part 2
1) Write down an expression for the nth term for the sequence below. Also, find the 7th, 9th and 28th term.
3, 14, 25, 36, 47 …
2) Write down an expression for the nth term for the sequence below. Also, find the 20th, 13th and the 105th term.
59, 65, 71, 77, 83 …
3) Write down an expression for the nth term for the sequence below. Also, find the 13th, 22nd and the 55th term.
30, 23, 16, 9, 2 …
1) Write down an expression for the nth term for the sequence below. Also, find the 7th, 9th and 28th term.
3, 14, 25, 36, 47 …
2) Write down an expression for the nth term for the sequence below. Also, find the 20th, 13th and the 105th term.
59, 65, 71, 77, 83 …
3) Write down an expression for the nth term for the sequence below. Also, find the 13th, 22nd and the 55th term.
30, 23, 16, 9, 2 …