Question

Which is the 23rd term of the arithmetic series 5, 16, 27,

Answer 1

what is the common difference between each term?

Answer 2

6

Answer 3

well, thats at least testable :)

5+6 = 16?

Answer 4

yes

Answer 5

i find it ironic that your doing an arithmetic series but havent mastered adding yet ...

Answer 6

5+6 does not equal 16

5 + 11 = 16

Answer 7

our common different is: 11 , we will need this to determine any term in the series

Answer 8

ok

Answer 9

by adding any multiple of 11 to our first term, we can get to any other term in the series.

an = 5 + 11(n-1)

Answer 10

a32 is going to be our 32 term; so when n=32 ...

a32 = 5 + 11(32-1) is our answer

Answer 11

but then you want 23, not 32 :)

Answer 12

a23 = 5 + 11(23-1) would suffice

Answer 13

kay thanks

Answer 14

good luck :)