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anonymous

  • one year ago

The lines below are perpendicular. If the slope of the green line is -8, what is slope of the red line? http://media.apexlearning.com/Images/200706/18/c817aaf3-1699-431d-b875-0f827d8526bc.gif m=

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  1. butterflydreamer
    • one year ago
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    if the lines are perpendicular, it means that when you multiply the slope of line 1 and slope of line 2, it will equal to -1. \[m_{1} \times m _{2} = -1\]

  2. anonymous
    • one year ago
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    so the answer is -1 ?

  3. anonymous
    • one year ago
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    @UsukiDoll do you know ?

  4. butterflydreamer
    • one year ago
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    not quite

  5. anonymous
    • one year ago
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    okay so what do you do after ?

  6. UsukiDoll
    • one year ago
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    If we had two parallel lines with a slope of -8 then the slope will still be the same. But this time we're given two perpendicular lines so at one point, two lines will intersect.

  7. butterflydreamer
    • one year ago
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    |dw:1436357240762:dw|

  8. UsukiDoll
    • one year ago
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    you have to get the reciprocal of -8 and that's what happened ^

  9. anonymous
    • one year ago
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    1/8 ?

  10. UsukiDoll
    • one year ago
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    yes

  11. anonymous
    • one year ago
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    thats the answer ?

  12. UsukiDoll
    • one year ago
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    yup

  13. anonymous
    • one year ago
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    alright thanks to both of yall

  14. butterflydreamer
    • one year ago
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    no problemo~

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