Asked by KAYLA

I am doing a practice test and I am stuck on a couple of questions.

1.) Write a rule for the following sequence
8, -1, -10, -19

2.) Find the next three terms of the sequence
-2, -12, -72, -432

3.) Which explains why the sequence 81, 3, 1/9

thanks
Answered by Ms. Sue
1.) 9 is subtracted from the previous number.

What rules do you see for the others?
Answered by Damon
1. arithmetic sequence with a = 8 and d = -9

2. geometric series with first term -2 and ratio r = 6

3. geometric again r = (1/9)

hey
http://www.mathsisfun.com/algebra/sequences-sums-arithmetic.html


http://www.mathsisfun.com/algebra/sequences-sums-geometric.html
Answered by Anonymous
What are all the answers
Answered by Yei Boi
Yea what are they
Answered by Ana
Nobody knows. I'm SAD
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