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amandathang9211 amandathang9211
  • 13-06-2016
  • Mathematics
Answered

What is the graph of the system?

y < -x - 1

y > x + 4

What is the graph of the system? y lt; -x - 1 y gt; x + 4 class=
What is the graph of the system? y lt; -x - 1 y gt; x + 4 class=
What is the graph of the system? y lt; -x - 1 y gt; x + 4 class=
What is the graph of the system? y lt; -x - 1 y gt; x + 4 class=

Verified Answer :

Panoyin
Panoyin Panoyin
  • 13-06-2016

y < -x - 1
y > x + 4

The answer is D.

  -x - 1 = x + 4
+ x      + x
       -1 = 2x + 4
      - 4          - 4
      -5 = 2x
       2     2
   -2.5 = x

y = -x - 1
y = -(-2.5) - 1
y = 2.5 - 1
y = 1.5
(x, y) = (-2.5, 1.5)

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