Find the common ratio r for the given infinite geometric sequence.
-80, 40, 20, 10, 5, . . .
A) 0.5
B) 2
C) 5
D) -0.5

Name: Find the common ratio r for the given infinite geometric sequence. -80, 40, 20, 10, 5, . . . A) 0.5 B) 2 C) 5 D) -0.5
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Question

Quizplus · Accepted Answer

The common ratio $r$ of a geometric sequence can be found by dividing any term by its preceding term. For this sequence, dividing the second term (40) by the first term (80) gives $r = \frac{40}{80} = 0.5$.

Find the Common Ratio R for the Given Infinite Geometric