The first and third terms of an arithmetic sequence are -1 and 5, respectively. Which of the following is the sixth term?

a) -25

b) 11

c) 14

d) 29

e) 3125

Please show all your work.

The first and third terms of an arithmetic sequence are -1 and 5, respectively. Which of the following is the sixth term?

a) -25

b) 11

c) 14

d) 29

e) 3125

Please show all your work.

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Saugus, MA

-1 ? 5 ? ? ?

[5-(-1)]/2=6/2=3 (add 3)

-1 2 5 8 11 14

c) is the answer

West Richland, WA

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