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Susan9419 Group Title

The equation of a line is. What will the slope be for a line that is perpendicular to this line? m=-2/7 m= 2/7 m=7/2 m=-7/2

  • one year ago
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  1. hartnn Group Title
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    equation of line is?

    • one year ago
  2. wio Group Title
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    To make a slope perpendicular, you just take the reciprocal on the opposite. In other words, you flip the fraction, and multiply by -1. so -2/1 becomes 1/2

    • one year ago
  3. Susan9419 Group Title
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    the line is y=2/7x-5. sorry i forgot to put that in there!!!

    • one year ago
  4. hartnn Group Title
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    compare it with y=mx+c and tell me what is m(slope)

    • one year ago
  5. Susan9419 Group Title
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    the slope is 2/7

    • one year ago
  6. hartnn Group Title
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    yes

    • one year ago
  7. hartnn Group Title
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    now product of slope of perpendicular lines is -1 so m(2/7) =-1 can u find m from here

    • one year ago
  8. Susan9419 Group Title
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    so it would b -1x-5?

    • one year ago
  9. hartnn Group Title
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    what?

    • one year ago
  10. hartnn Group Title
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    m(2/7) =-1 m= -7/2

    • one year ago
  11. Susan9419 Group Title
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    ooh thanks ;D

    • one year ago
  12. hartnn Group Title
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    welcome ^_^

    • one year ago
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