Question

Can someone please help me and get the answers to Activity 1 and 2 on page 453?

http://ocas.pearsonschool.com/ph/cd/0-13-365946-8/?token=53616c7465645f5f81d8086b402612535c05bb36548c352efd4d42aa1f0bb0bdac910c59b0106743211d5f73e68757a01aa7c21cd8986203d225aa23afe42a72ef07f866009a4e4b

Answer 1

Activity One.
1.
a)The common ratio for 2,4,8,16 is x2, because its doubling between each number.
b) 32, 64 128

2.
a) The common ratio for 80,20,5,5/4 is x1/4, because to go from 80 to 20 you need to multiply by 1/4 (.25%)
b)

3.
a) The common ratio for 2,-6,18,-54 is x-3 (Negative Three), it is negative because the sign is alternating from positive to negative and three because each sequence is multiplied by three.
b) -162, 486, -1458