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

Third = -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

Third = -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.