matthewhsu623 matthewhsu623
  • 12-06-2018
  • Mathematics
contestada

Determine whether the graphs of 7= 5x+9 and -y = -5x -9 are parallel, perpendicular, coincident, or none of these.

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sqdancefan
sqdancefan sqdancefan
  • 17-06-2018
Assuming your first equation is y = 5x+9, the equations describe lines that are coincident.

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Multiplying the second equation by -1, it becomes y = 5x+9, the same as the first equation.
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