Question

Write an equation to the nth term of the arithmetic sequence. (write the equation for the sequence)

15, 13, 11, 9

Answer 1

15,13,11,9,…

Given

2

13 - 15 = -2

11 - 13 = -2

9 - 11 = -2

d = -2

3

4

when n = 515,13,11,9,…

Given

2

13 - 15 = -2

11 - 13 = -2

9 - 11 = -2

d = -2

3

4

when n = 515,13,11,9,…

Given

2

13 - 15 = -2

11 - 13 = -2

9 - 11 = -2

d = -2

3

4

when n = 5