Find the indicated partial sum for the given sequence.
-s8 $, 3 , - 5,7 , - 9 , \ldots$
A) 8
B) 5
C) $- 8$
D) $- 5$

Name: Find the indicated partial sum for the given sequence. -s8 $, 3 , - 5,7 , - 9 , \ldots$ A) 8 B) 5 C) $- 8$ D) $- 5$
Brand: Quizplus
Rating: 4.9 (28 reviews)

Question

Quizplus · Accepted Answer

To find the partial sum, we add up the first 8 terms of the sequence:
$s_8 = 3 + (-5) + 7 + (-9) + 11 + (-13) + 15 + (-17)$
We can group the terms like this: $(3 - 5) + (7 - 9) + (11 - 13) + (15 - 17) = -2 - 2 - 2 - 2 = -8$. Therefore, the partial sum s8 is -8.

Find the Indicated Partial Sum for the Given Sequence ,3,−5,7,−9,…, 3 , - 5,7 , - 9 , \ldots,3,−5,7,−9,…

Find the Indicated Partial Sum for the Given Sequence $, 3 , - 5,7 , - 9 , \ldots$