Question

Given arithmetic sequences A and B shown, what is the
positive difference between the 2011th term of sequence A and
the 2011th term of sequence B?

Sequence A: 1, 5, 9, 13, . . .
Sequence B: 1, 7, 13, 19, . . .

Answer 1

1 + 2010*6 - (1 + 2010*4)
= 2010(6-4) = 4020

Answer 2

remember terms of an AS are a,a+d,a+2d.....

Answer 3

nth term = a + (n-1)d

Answer 4

follow that ok?

Answer 5

ok

Answer 6

great

Answer 7

Thanks

Answer 8

yw