AngelQuinones12
AngelQuinones12 AngelQuinones12
  • 09-05-2017
  • Mathematics
contestada

Which equation represents a line that is perpendicular to the line represented by 2x - y = 7 ?

1) y = -1/2x + 6
2) y= 1/2x + 6
3) -2x + 6
4) y = 2x + 6

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ghanami
ghanami ghanami
  • 14-05-2017

Hello:
the equation is : y = ax+b
the slope is a : a×(2) = -1......( perpendicular to a line with a slope of   2)            because :     2x-y =7     ..y=2x-7   )     


a = -1/2        y=(-1/2)x+b..... ( exemple :  
1) y = -1/2x + 6 )




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