Sequence

Find the common ratio of the sequence -1, 3, -9, 27, -81.

Please ratio writes as a decimal number rounded to a tenth.

Correct answer:

q =  -3

Step-by-step explanation:

a1=1 a2=3 a3=9 a4=27  a2=a1 q a3=a2 q a4=a3 q a5=a4 q   q=a2/a1=3/(1)=3



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Check out our ratio calculator.

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: