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19 September, 22:41

How much larger than the sum of - 1, - 2, and 5 is the sum of the squares of these same integers?

A. 18

B. 20

C. 22

D. 28

E. 32

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Answers (1)
  1. 19 September, 23:42
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    D. 28

    Sum: (-1) + (-2) + (5) = 2

    Sum of squares: (-1) ^2 = 1 (-2) ^2=4 (5) ^2=25

    25+4+1=30

    30-2 = 28
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