Marcell12
Marcell12 Marcell12
  • 14-06-2018
  • Mathematics
contestada

Evaluate the following expression: -1(5,-1) + 2(1,1). A. (5,-2) B. (-3,3) C. (7,1) D. (-5,2)

Respuesta :

gmany
gmany gmany
  • 14-06-2018
[tex]-1[5;\ -1]+2[1,\ 1]=[(-1)(5);\ (-1)(-1)]+[(2)(1);\ (2)(1)]=[-5;\ 1]+[2;\ 2]\\\\=[-5+2;\ 1+2]=[-3;\ 3][/tex]
Answer: B

Answer Link
mynameisofnoconcern mynameisofnoconcern
  • 14-06-2018
I believe that the answer should be B
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