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  • 11-05-2016
  • Mathematics
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Which ordered pair represents the intersection of the graphs of the linear equationsshown below5yA (-2, 2)D 0,

Which ordered pair represents the intersection of the graphs of the linear equationsshown below5yA 2 2D 0 class=
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  • 11-05-2016
4x-5y=-2
4x+5y=2
add them

4x-5y=-2
4x+5y=2 +
8x+0y=0

8x=0
x=0

sub back

2x+5y=2
2(0)+5y=2
0+5y=2
5y=2
divide 5
y=2/5

(x,y)
(0,2/5)

D is answer
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