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What is the common difference between successive terms in the sequence? 9, 2.5,-4, -10.5,-17,
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What is the common difference between successive terms in the sequence? 9, 2.5,-4, -10.5,-17,

User McKrassy
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2 Answers

5 votes

Answer:

-6.5

Step-by-step explanation:

User Mbrannig
by
7.4k points
6 votes
6.5 is subtracted from each number.
9 - 6.5 = 2.5
2.5 - 6.5 = -4
-4 - 6.5 = -10.5
-10.5 - 6.5 = -17
or you could think of adding -6.5 to everything if that is easier for you to picture.
User AnInquiringMind
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