SOLUTION: if a down 1 = 4 and d=-2,what are the first four terms of the arithmetic sequence? Answer. 2,0 -2,-4 or 4,68,10 or 4,0,-4,-8 or 4,2,0,-2

Algebra ->  Sequences-and-series -> SOLUTION: if a down 1 = 4 and d=-2,what are the first four terms of the arithmetic sequence? Answer. 2,0 -2,-4 or 4,68,10 or 4,0,-4,-8 or 4,2,0,-2      Log On


   

Question 301640: if a down 1 = 4 and d=-2,what are the first four terms of the arithmetic sequence?
Answer. 2,0 -2,-4 or 4,68,10 or 4,0,-4,-8 or 4,2,0,-2
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
+a%28n%2B1%29=a%28n%29%2Bd+
+a%282%29=a%281%29-2=4-2=2
+a%283%29=a%282%29-2=2-2=0
+a%284%29=a%283%29-2=0-2=-2
+a%285%29=a%284%29-2=-2-2=-4
+a%286%29=a%285%29-2=-4-2=-6%0D%0A
The first four terms would be then : +4+, +2,+0,+-2