Blass512 Blass512
  • 30-03-2014
  • Mathematics
contestada

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

Respuesta :

jazzy95 jazzy95
  • 30-03-2014

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

Answer Link

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