Find the sum.-4 - 3 - 2 - ... + 31
A) 486
B) 472.5
C) 972
D) -486

Name: Find the sum.-4 - 3 - 2 - ... + 31 A) 486 B) 472.5 C) 972 D) -486
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Question

Quizplus · Accepted Answer

The sequence is an arithmetic series with the first term -4, the last term 31, and a common difference of 1. The number of terms is 36. The sum of an arithmetic series is given by the formula S = n/2 * (first term + last term). Substituting the values, S = 36/2 * (-4 + 31) = 18 * 27 = 486.

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