Question

Name the rule and list the next three terms in the patter

Answer 1

we have the sequence

10,20,18,36,34,...

we have that

a1=10

a2=20

so

a2=2*a1

a3=18

a3=a2-2

a4=36

a4=2a3

a5=34

a5=a4-2

then

a6=2a5 -----> 2*34=68

a7=a6-2=68-2=66