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Blass512 Blass512
  • 29-03-2014
  • Mathematics
Answered

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

A18
B20
C22
D28
E32

Verified Answer :

jazzy95 jazzy95
  • 29-03-2014

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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