Asked by Tami
Tell whether the sequence is geometric. If it is, find the common ratio.
1.) 9, -6, 4, -8/3
2.) 16, 12, 8, 4
1.) 9, -6, 4, -8/3
2.) 16, 12, 8, 4
Answers
Answered by
Reiny
To be a GS , any number divided by its previous one must produce the same result
first pair: -6/9 = -2/3
2nd pair: 4/-6 = -2/3
3rd pair: -8/3 /4 = -2/3
yes!, common ratio is -2/3
you do the 2nd problem.
first pair: -6/9 = -2/3
2nd pair: 4/-6 = -2/3
3rd pair: -8/3 /4 = -2/3
yes!, common ratio is -2/3
you do the 2nd problem.
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