2006-11-09 01:13:17 · 9 answers · asked by Chris S 1 in Science & Mathematics ➔ Mathematics
the successive differences are -6 , -7 , -8
so next number is =-25
2006-11-09 20:37:10 · answer #1 · answered by Mein Hoon Na 7 · 0⤊ 0⤋
-25 (a progression of 6, 7, 8)
2006-11-09 01:15:07 · answer #2 · answered by Anonymous · 1⤊ 0⤋
5,-1,-8,-16.........
The numbers are decreasin in the order:
-1-5=-6
-8+1=-7
-16+8=-8
x+16=-9
=>x=-25
The next number is -25
2006-11-09 01:55:47 · answer #3 · answered by sushant 3 · 0⤊ 0⤋
-25
2006-11-09 06:20:10 · answer #4 · answered by CSUFGrad2006 5 · 0⤊ 0⤋
-25
2006-11-09 02:14:50 · answer #5 · answered by priya s 1 · 0⤊ 0⤋
-25
2006-11-09 02:10:35 · answer #6 · answered by shagun 2 · 0⤊ 0⤋
-25
2006-11-09 01:18:50 · answer #7 · answered by babybrandz 1 · 0⤊ 0⤋
-25
it's 5 (-6) -1 (-7) -8 (-8) -16 (-9) -25 (-10) -35 (-11) -46 etc
2006-11-09 01:25:52 · answer #8 · answered by Anonymous · 0⤊ 0⤋
the rule is :
u1 = 5
u_n = -(4+n) + u_(n-1) (_ here is subscript)
u1 = 5
u2 = 5 -(4+2) = -1
u3 = -1 - (4+3) = -8
u4 = -8 - (4+4) = -16
u5 = -16 - (4+5) = -25
2006-11-09 01:19:13 · answer #9 · answered by James Chan 4 · 1⤊ 0⤋