Asked by Sally

Determine how each multiplication or division pattern is formed. Then write the next two numbers

a) 81, -27, 9 ...

b) 5, -20, 80...
Answered by Steve
(a) each term is -1/3 the previous term
(b) each term is -4 times the previous term

Just take the first two terms and find their ratio. Then check to make sure the same ratio is there for the next two terms, and so on.
Answered by Sally
Thank you :)
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