Valene468 Valene468
  • 11-06-2014
  • Mathematics
contestada

Which one of the following expressions has an even integer value for all integers a and c ?
F. 8a + 2ac
G. 3a + 3c
H. 2a + c
J. a + 2c
K. ac + a^2

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konrad509
konrad509 konrad509
  • 11-06-2014
F...........................
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