jasminethomas6779 jasminethomas6779
  • 30-10-2017
  • Mathematics
contestada

Is y=7x+2 x+7y=8 parallel, perpendicular, or neither?

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Аноним Аноним
  • 30-10-2017
rearrange them to slope-intercept form

y = 7x + 2

y = -(1/7) x + 8

product of their slopes is  7 * -1/7  = -1  so they are perpendicular
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