Find the Sum Using the Formulas for the Sums of Powers

question 209

Multiple Choice

Find the sum using the formulas for the sums of powers of integers. $\sum _ { n = 1 } ^ { 8 } \left( 7 n - 3 n ^ { 2 } \right)$

• A)-224
• B)-1080
• C)-136
• D)144
• E)-360

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Definitions:

Pester Power

The influence children have over their parents' buying decisions, often achieved by nagging or pleading.

Grocery Store

A retail store that primarily sells food, both fresh and packaged, along with various household goods.

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To ask for something earnestly or humbly, often due to a lack of resources or as a last resort.

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