Question

Determine whether the sequence is arithmetic or geometric.

Sequence 1: 32, 16, 0, –16, ...
Sequence 2: 32, 16, 8, 4, ...
Which of the following statements are true regarding Sequence 1 and Sequence 2.

Sequence 2 is arithmetic and Sequence 1 is geometric.
Both sequences are geometric.
Sequence 1 is arithmetic and Sequence 2 is geometric.
Both sequences are arithmetic

Answer 1

@confluxepic

Answer 2

Hint: in an arithmetic sequence, you're adding a value to get the next number.
in a geometric sequence, you're multiplying a value to get the next number.

Answer 3

hm so is sequence 1 arithmetic ?

Answer 4

yes, because to get the next number you're subtracting 16, or adding -16. :D

Answer 5

Now what about sequence 2?

Answer 6

And sequence b is geometric ?

Answer 7

Yep! \(\LARGE\tt\color{lime}{Great~job!~\checkmark}\)