does anyone know how to do this?

0 ⤊

does anyone know how to do this?

if a_1 and d = -2 than what are the first 4 terms in the arithmetic sequence

2007-07-25 17:36:42 · 4 answers · asked by jessie0420 2 in Science & Mathematics ➔ Physics

4 answers

the series is 1, -1, -3, -5, -7...

2007-07-25 17:48:38 · answer #1 · answered by zmdk_zmdk 2 · 0⤊ 0⤋

I hope this is correct... arithmetic sequence wud be:
y = a+dx, so the first 4 terms wud be:
x=1 --> y = 1 + (-2)1 = -1
x=2 --> y = 1 + (-2)2 = -3
x=3 --> y = 1 + (-2)3 = -5
x=4 --> y = 1 + (-2)4 = -7

2007-07-26 00:54:10 · answer #2 · answered by rika 1 · 0⤊ 0⤋

Presto, whammo, 1,-1,-3,-5 (I hope)

2007-07-26 00:40:43 · answer #3 · answered by cattbarf 7 · 0⤊ 0⤋

1, 0, -1, -2........

would seem most likely!

2007-07-26 00:47:50 · answer #4 · answered by Tarkarri 7 · 0⤊ 0⤋