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What is the pattern of -5,10,-20 and whats the rule?​

What is the pattern of -5,10,-20 and whats the rule?​
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What is the pattern of -5,10,-20 and whats the rule?​

asked
User Zenet
by
8.3k points

2 Answers

7 votes

Answer:

multiply by -2

Explanation:

x(-2)

answered
User Verne
by
8.1k points
6 votes


\bf -5~~,~~\stackrel{-5(-2)}{10}~~,~~\stackrel{10(-2)}{20}\quad \qquad a_n=a_(n-1)(-2)~~ \begin{cases} n=\textit{term position}\\ n-1=\textit{position before it} \end{cases}

answered
User Hamms
by
8.6k points
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