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Sequences: Quiz 5 - Answers
Sequences: Quiz 5 - Answers
Part 1
1) 1st = 5
5th = 53
10th = 203
2) 2nd = 10
6th = 170
7th = 235
3) 3rd = 23
4th = 2
10th = -250
4) 5th = 270
12th = 1,460
15th = 2,270
Part B
Answers are at the end in bold.
1) 4, 7, 12, 19, 28, 39, 52, 67
2) 10, 11, 15, 22, 32, 45, 61, 80
3) 2, 7, 17, 32, 52, 77, 107, 142
4) 30, 33, 42, 57, 78, 105, 138, 177
Working
Part 1
Part 1
Part 2
Questions
Part 1
You may use a calculator for the following questions.
1) For the sequence 2n2 + 3, find the 1st, 5th and 10th term.
2) For the sequence 5n2 – 10, find the 2nd, 6th and 7th term.
3) For the sequence 50 – 3n2, find the 3rd, 4th and 10th term.
4) For the sequence 10n2 + 20, find the 5th, 12th term and 15th term.
Part 2
Find the next 3 terms in the following sequences.
1) 4, 7, 12, 19, 28 …
2) 10, 11, 15, 22, 32 …
3) 2, 7, 17, 32, 52 …
4) 30, 33, 42, 57, 78 …
Find the next 3 terms in the following sequences.
1) 4, 7, 12, 19, 28 …
2) 10, 11, 15, 22, 32 …
3) 2, 7, 17, 32, 52 …
4) 30, 33, 42, 57, 78 …