katielady123
katielady123 katielady123
  • 17-07-2019
  • Mathematics
contestada

choose the correct ordered pair.

X+ y = 3
y=8

A. (5,8)
B. (11,8)
C. (-5,8)
D. (-11,8)​

Respuesta :

gantlamr2 gantlamr2
  • 17-07-2019

Answer: C

Step-by-step explanation:

plug in y=8 to

x+y=3

x+8=3

x=-5

There is no need to look at the other answer choices since they do not have x equaling to -5.

Answer Link
r3t40
r3t40 r3t40
  • 17-07-2019

So,

[tex]x+y=3\Rightarrow y=3-x[/tex]

Then,

[tex]8=3-x\Rightarrow x=-5[/tex]

The ordered pair is therefore,

[tex]C(-5,8)[/tex]

Hope this helps.

r3t40

Answer Link

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