indentify the sequence as arithmetic, geometric, or neither.

Question

3,4.5,6,7.5,...

a. arithmetic
b. geometric
c. neither

please help i don't know the answer

Answer 1

In an Arithmetic Sequence the difference between one term and the next is a constant, so :

3 - 4.5 = - 1.5

4.5 - 6 = - 1.5

6 - 7.5 = - 1.5

The difference is a constant, so :

a. arithmetic sequence