Express the sum using summation notation.
-$2 + 8 + 18 + \ldots + 72$
A) $\sum _ { k = 0 } ^ { 6 } 2 k ^ { 2 }$
B) $\sum _ { k = 1 } ^ { 6 } k ^ { 2 }$
C) $\sum _ { k = 1 } ^ { 6 } 2 ^ { 2 } k$
D) $\sum _ { k = 1 } ^ { 6 } 2 k ^ { 2 }$

Question

Quizplus · Accepted Answer

The given sequence is a quadratic sequence where each term can be represented as $2k^2$, starting from $k=1$ to $k=6$, to generate the terms 2, 8, 18, ..., 72.

Express the Sum Using Summation Notation 2+8+18+…+722 + 8 + 18 + \ldots + 722+8+18+…+72

Express the Sum Using Summation Notation $2 + 8 + 18 + \ldots + 72$