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Sequences: Quiz 2 - Answers
Sequences: Quiz 2 - Answers
1) First = 4
Second = 7
Fifth = 16
Ninth = 28
2) Second = 14
Seventh = 39
Tenth = 54
3) First = -2
Fourth = 7
Eighth = 19
4) First = 18
Third = 14
Ninth = 2
5) Second = 11
Sixth = 13
Ninth = 14.5
6)First = 13.5
Second = 7
Tenth = -45
7) Seventh = -42
Twentieth = -81
Hundredth = -321
8) Ninth = -99.5
Twenty third = -204.5
Forty fifth = -369.5
Second = 7
Fifth = 16
Ninth = 28
2) Second = 14
Seventh = 39
Tenth = 54
3) First = -2
Fourth = 7
Eighth = 19
4) First = 18
Third = 14
Ninth = 2
5) Second = 11
Sixth = 13
Ninth = 14.5
6)First = 13.5
Second = 7
Tenth = -45
7) Seventh = -42
Twentieth = -81
Hundredth = -321
8) Ninth = -99.5
Twenty third = -204.5
Forty fifth = -369.5
Working
Questions
1) For the sequence 3n + 1, find the first, second, fifth and ninth term.
2) For the sequence 5n + 4, find the second, seventh and tenth term.
3) For the sequence 3n – 5, find the first, fourth and eighth term.
4) For the sequence 20 – 2n, find the first, third, and ninth term.
5) For the sequence ½ n + 10, find the second, sixth and ninth term.
6) For the sequence 20 – 6.5n, find the first, second and tenth term.
7) For the sequence -3n – 21, find the seventh, twentieth and hundredth term.
8) For the sequence -7.5n – 32, find the ninth, twenty third and forty fifth term.
1) For the sequence 3n + 1, find the first, second, fifth and ninth term.
2) For the sequence 5n + 4, find the second, seventh and tenth term.
3) For the sequence 3n – 5, find the first, fourth and eighth term.
4) For the sequence 20 – 2n, find the first, third, and ninth term.
5) For the sequence ½ n + 10, find the second, sixth and ninth term.
6) For the sequence 20 – 6.5n, find the first, second and tenth term.
7) For the sequence -3n – 21, find the seventh, twentieth and hundredth term.
8) For the sequence -7.5n – 32, find the ninth, twenty third and forty fifth term.