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1) Find the value of the k that makes the sequence arithmetic

-13,k,-3,2,...

A)5
B)-8
C)-5
D)-10


2) Which formula describes the arithmetic sequence?

-4/5, -3/5,-2/5,-1/5...

A)tn=-n/5
B)tn=n/5-1
C)tn=1+n/5
D)tn=-n/5-1


3)What're the next 4 terms in the series?

t1=3,tn=1/2,tn-1 -1

A)1/2, -3/4, -11/8, -27/10
B)3/2, 3/4, 3/8, 3/16
C)-1/2, 3/4, 5/8, 21/16
D)2, 0, -1, -3/2


4)Which formula describes the arithmetic sequence?

-3,-6,3,-6

A)tn=-tn-1+3
B)tn=-tn-1-1
C)tn=tn-1-1
D)-tn-1-3​

1 Answer

2 votes
B) -8 it goes up in 5s
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