Use a graphing calculator to evaluate the series.
-$$\sum _ { k = 3 } ^ { 8 } \left( k ^ { 2 } - 4 k + 3 \right)$$
A) 325
B) 49
C) 289
D) 85

Name: Use a graphing calculator to evaluate the series. -\[\sum _ { k = 3 } ^ { 8 } \left( k ^ { 2 } - 4 k + 3 \right)\] A) 325 B) 49 C) 289 D) 85
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Question

Quizplus · Accepted Answer

The series is evaluated by calculating the sum of the expression $k^2 - 4k + 3$ for each integer $k$ from 3 to 8. The individual terms are 6, 9, 14, 21, 30, and 41, which sum to 85.

Use a Graphing Calculator to Evaluate the Series ∑k=38(k2−4k+3)\sum _ { k = 3 } ^ { 8 } \left( k ^ { 2 } - 4 k + 3 \right)k=3∑8​(k2−4k+3)

Use a Graphing Calculator to Evaluate the Series $\sum _ { k = 3 } ^ { 8 } \left( k ^ { 2 } - 4 k + 3 \right)$