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What is the value of the 19th term in the sequence -1, -5, -9, ...? -77 -73 -71 -22
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What is the value of the 19th term in the sequence -1, -5, -9, ...?

-77
-73
-71
-22

User InnaM
by
8.1k points

1 Answer

4 votes
All right i just earned that today!
This is the formula An = A1 + ( n-1 )D
You would take A19 = -1 + ( 19 - 1 ) -4
-1 + 18(-4)
-1 + -72
-73
Hope that helped!
:)
User PublicRavi
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