Question

what are the first four terms of the sequence represented by the expression n(n-2)-3?
a.)-5,-3,1,4
b.)-4,-3,0,5
c.)-3,0,3,6
d.)-2,0,2,4

Answer 1

I mean n(n-2)-3

Answer 2

Just plug in 1 for 'n':

n(n - 2) - 3

1(1 - 2) - 3

What's 1 - 2?

Answer 3

-1

Answer 4

Yes, so we have:

1(-1) - 3

What's 1 * -1?

Answer 5

0

Answer 6

I mean -1

Answer 7

Yes, now we have:

-1 - 3

Can you subtract that?

Answer 8

@kayla2001