anonymous
  • anonymous
solve the given system of equations graphically: y=-x and y=x+2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
solve x and y?
anonymous
  • anonymous
i honestly have no idea this came directly from a review sheet.
anonymous
  • anonymous
To solve graphically, means graph each line and see where they intersect.

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anonymous
  • anonymous
Ok, you have grid paper to draw?
anonymous
  • anonymous
you can graph by draw on grid paper, and solve x,y to check it correct
anonymous
  • anonymous
Do you want me to solve for x and y?
anonymous
  • anonymous
please
anonymous
  • anonymous
y=-x, you rewrite: y+x=0 y=x+2 , you rewrite: y-x=2 y+x=0 Add : y-x=2 ---------------- 2x=0 x =0/2 x = 0 subtitution x=0 find y y =0+2 y =2 (0,2) you can check by use the grid paper graph 2 line if they intersect at (0,2) then you correct ,if not maybe the graph you draw it wrong or solve eqaution it wrong,I hope it help
anonymous
  • anonymous
sorry I tye wrong my keybroad not work propertly, equation not eqaution
anonymous
  • anonymous
Am I nuts? y+x=0 y-x=2 --------------add 2y+0=2 therefore y=1 x=-1
anonymous
  • anonymous
Graphically, y=-x is a -45 degree line that crosses the axes at the origin (0,0) and y=x+2 is a +45 degree line that crosses the Y axis at 2 (if x=0, y=2) the two lines will cross at (-1,1)
anonymous
  • anonymous
sorry 2y but I writ 2x alanhuth is right

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