Asked by Kathleen
What are the first four terms of the sequence represented by the expression n(n-1)-4
A)-2,2,6,10
B)-3,0,3,6
C)-4,-2,2,8
D)-5,-4,-2,6
A)-2,2,6,10
B)-3,0,3,6
C)-4,-2,2,8
D)-5,-4,-2,6
Answers
Answered by
oobleck
geez - just plug in the values for n:
T1: 1(1-1)-4 = -4
So clearly, the choice is C. But just to confirm:
T2: 2(2-1)-4 = -2
T3: 3(3-1)-4 = 2
...
T1: 1(1-1)-4 = -4
So clearly, the choice is C. But just to confirm:
T2: 2(2-1)-4 = -2
T3: 3(3-1)-4 = 2
...
Answered by
Kathleen
I had tried that, but I did not get any correct answer:( Thank u, next Haha
Answered by
Hiiii
Does anyone know the answer orrrrrr
Answered by
yw
its C
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