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ICE Princess25 [194]
3 years ago
14

If the two lines 2x + y= 0 and y=3 are plotted on a typical xy coordinate grid, at which point will they intersect?

Mathematics
2 answers:
irina1246 [14]3 years ago
5 0
2x + y = 0
2x + 3 = 0
      - 3  - 3
      2x = -3
       2      2
         x = -1¹/₂
(x, y) = (-1¹/₂, 3)
GaryK [48]3 years ago
5 0
We have
equation 1   2x+y=0

equation 2  y=3

substitute the equation 2 in equation 1
2x+[3]=0 \\ 2x=-3 \\ x=- \frac{3}{2}

the solution is the point
(- \frac{3}{2} ,3)

using a graph tool
see the attached figure

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