Question

What is the 15th term of the arithmetic sequence 16, 23, 30,

Answer 1

First, what is the common difference?

Answer 2

7

Answer 3

Right, do you know what's the formula to find any term in an arithmetic sequence?

Answer 4

no thats what i neeed! cause I can totally figure it out if i had it and know what i needed to plug in

Answer 5

Use \(x_n = a+(n-1)d\) :D

Answer 6

Where a is the first term and d is the common difference.

Answer 7

and n is the # of term you are looking for.

Answer 8

okayy thank you soo much(: let me see

Answer 9

114?

Answer 10

Umm, 16+(15-1)7=114

That's right :)

Answer 11

yay! thank you!(:

Answer 12

how do you solve problems like these, What is the 23rd term of the arithmetic sequence where a1 = 8 and a5 = 22?