a
b
c
d
e
f
g
1
d = 10
d = 4
Not arithmetic
d = -6
d = w + 3
d = 2.1
d = -1
2
50, 60
23, 27
Not arithmetic
-10, -16

5w + 12

6w + 15

12, 14.1
p − 3, p − 4
3
72
50
-29
-525
293
17√5
41z − 40
4
tn = 5n + 10
tn = 3n − 1
tn = 9 − 4n
tn = q(2n − 1)
tn = 26 − 8n
tn = 4.6n − 0.1
tn = 1030 − 20n

5. d = 3, a = 3 and the sequence is 3, 6, 9, 12, ...

6. d = -0.6, a = 9.9 and the sequence is 9.9, 9.3, 8.7, 8.1, ...

7. There are 162 multiples of 4 between 982 and 334.

8. 147 is the 48th term of the sequence.

9. -100 is the 41st term of the sequence.

10. She would run 11.4 km.