Question

-17, -12, -7, -2, ... Find an equation for the nth term of the arithmetic sequence.

Answer 1

Ok, so your writing an equation for the sequence right?

Answer 2

yes

Answer 3

ok so what we do first is find the common difference

Answer 4

Do you know what the common difference is?

Answer 5

5

Answer 6

Rea201 is correct ...

Answer 7

Correct so the function is going to be the first factor in this problem plus 5x. Do you know why it is 5x?

Answer 8

You're multiplying it by something in the equation?

Answer 9

No. x represents the place where the nth term sits in the sequence. For example if I wanted to find the 10th term in the sequence that x=10. Because the term is in the 10th place

Answer 10

okay

Answer 11

So do you know what the equation would look like?

Answer 12

@lornbeach

Answer 13

an = -17 + 5(n - 1)

Answer 14

yes you are correct because a1=-17+5(1-1) a1=-17

Answer 15

Yay thanks(:

Answer 16

No problem.