Question

Determine which is NOT an arithmetic sequence

2.4.8.16
O -7,0.7.14
O 0..5.1.1.5
O 10.6.2.-2

Answer 1

1st option

2,4,8,16

Explanation:

1st option is not an Arithmetic sequence, it is geometric sequence. Because, the common ratio is 2

the 2nd option has a common difference of 7, so it is arithmetic

the 3rd option has a common difference of 0.5, so it is arithmetic

and 4th option has a common difference of -4. so it is arithmetic