A geometric sequence has u4=-70 and u7=8.75. Find the second term of the sequence.
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A geometric sequence has u4= -70 and u7=8.75 Find the second term of the sequence.
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Answer:-122.5Step-by-step explanation:Difference = 7 - 4 = 3 terms; 8.75 - (-70) = 78.751 term → 78.75/3 = 26.25therefore, u2 = - 70 - 2(26.25) = -122.5Topic: Patterns + Common differenceIf
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