Use a graphing calculator to evaluate the series.
-$\sum _ { j = 1 } ^ { 9 } \left( 8 j ^ { 2 } - 5 \right)$
A) 1600.5
B) 2235
C) 2325
D) 279

Name: Use a graphing calculator to evaluate the series. -$\sum _ { j = 1 } ^ { 9 } \left( 8 j ^ { 2 } - 5 \right)$ A) 1600.5 B) 2235 C) 2325 D) 279
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Question

Quizplus · Accepted Answer

The series sums the values of $8j^2 - 5$ for $j$ from 1 to 9. Using a graphing calculator to evaluate this series directly gives the result 2235.

Use a Graphing Calculator to Evaluate the Series ∑j=19(8j2−5)\sum _ { j = 1 } ^ { 9 } \left( 8 j ^ { 2 } - 5 \right)∑j=19​(8j2−5)

Use a Graphing Calculator to Evaluate the Series $\sum _ { j = 1 } ^ { 9 } \left( 8 j ^ { 2 } - 5 \right)$