#Sequences & Series

12 messages · Page 1 of 1 (latest)

shrewd hollow
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can't figure out how to find common ratio

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For question 7

mellow gorge
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you find the common ratio by doing the second term divided by the first term and by doing the third term divided by the second term

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then set these 2 algebraic fractions equal to each other and solve for q

shrewd hollow
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yup i got 5 and -1/2

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textbook says r= 0.75 so im a bit lost

mellow gorge
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ah okay i’ll get my values

mellow gorge
shrewd hollow
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cuz idk how they're getting r=0.75

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ill just skip it for now and look back later ty

mellow gorge