skcniskxkskck
skcniskxkskck skcniskxkskck
  • 22-01-2021
  • Mathematics
contestada

PLEASE ANSWER THIS!!!!!!!!

PLEASE ANSWER THIS class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 23-01-2021

9514 1404 393

Answer:

  (a)  x - y + 1 = 0

Step-by-step explanation:

One way to address multiple-choice questions is to try the answers to see what works.

For the lower left point (1, 2), the answer choices shown give ...

  x -y +1 = 1 -2 +1 = 0 . . . . . equation works

  -x -y +1 = -1 -2 +1 = -2 . . . doesn't work

  y -x +1 = 2 -1 +1 = 2 . . . . . doesn't work

The appropriate choice is ...

  x - y + 1 = 0

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