Which explains why the sequence 64, 4, 1/4, ... is arithmetic or geometric?

A. The sequence is geometric because it decreases by a factor 1/16

B. The sequence is arithmetic because it decreases by a factor of 1/16

C. The sequence is geometric because it increases by a factor of 4

D. The sequence is arithmetic because it decreases by a factor of 4.

Question

Mathematics

Rachel Weber

25 April, 17:34

Which explains why the sequence 64, 4, 1/4, ... is arithmetic or geometric?

A. The sequence is geometric because it decreases by a factor 1/16

B. The sequence is arithmetic because it decreases by a factor of 1/16

C. The sequence is geometric because it increases by a factor of 4

D. The sequence is arithmetic because it decreases by a factor of 4.

+5

Answers (1)

Know the Answer?

Sergio Osborn · Answer 1

Arithmetic sequence decreases by adding or subtraction a number exg 2,4,6,8

geometric sequence is mu; ltipliying or dividing by a number exg

2,4,8,16,32 etc

so it from 64 to 4 then to 1/4

64/16=4

4/16=1/4

it decreases by a factor of 1/16

it is geometric

th enaswer is B