(viii) – 25, – 23, – 21, – 19, ..... (1 mark)
Sol. t1 = – 25
t2 = – 25 + 2= – 23
t3 = – 23 + 2= – 21
t4 = – 21 + 2= – 19
t5 = – 19 + 2= – 17
t6 = – 17 + 2= – 15
t7 = – 15 + 2= – 13
t8 = – 13 + 2= – 11
∴ The next four terms of the sequence are – 17, – 15, – 13 and – 11.
