Question

Match the sequence (term) with the correct type of sequence (definition).

Match Term Definition


128, 32, 8, 2, … A) Arithmetic, common difference is −3


1, 3, 9, 27, … B) Geometric, common ratio is 0.25


5, 10, 15, 20, … C) Arithmetic, common difference is 5


20, 17, 14, 11, … D) Geometric, common ratio is 3

Answer 1

128, 32, 8, 2 is B

1, 3, 9, 27 is D

5, 10, 15, 20 is C

20, 17, 14, 11 ia A

128*.25=32

32*.25=8...

1*3=3

3*3=9...

5+5=10

10+5=15...

20-3=17

17-3=14...