Question

What is the sum of the series? Write in expanded form making sure to show all steps used to find the sum

Answer 1

Answer: -16

Explanation:

Answer 2

-16

Explanation:

k = 3

-2(3) + 5 = -1

k = 4

-2(4) + 5 = -3

k = 5

-2(5) + 5 = -5

k = 6

-2(6) + 5 = -7

(-1) + (-3) + (-5) + (-7)

= -16