theo had a balance of -$4 in his savings account. After making a deposit, he has $25 in his account. What is the overall change
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Common ratio, r is found by dividing the next term by the previous term
r =
= -3
you can see this value is true for any consecutive pairs of terms
also, multiply by -3 to get the next term
r =
you can see this value is true for any consecutive pairs of terms
also, multiply by -3 to get the next term