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anonymous

  • one year ago

The lines below are perpendicular. If the slope of the green line is 1, what is the slope of the red line ? http://media.apexlearning.com/Images/200706/18/055cb2ff-62ad-426e-a3db-d0871c0ab884.gif m=

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  1. anonymous
    • one year ago
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    @UsukiDoll

  2. anonymous
    • one year ago
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    @butterflydreamer

  3. UsukiDoll
    • one year ago
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    |dw:1436357885165:dw|

  4. anonymous
    • one year ago
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    okay

  5. anonymous
    • one year ago
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    okay next ..

  6. UsukiDoll
    • one year ago
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    try an attempt the problem.. either let m_1 = 1 or m_2 = 1 then divide.

  7. anonymous
    • one year ago
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    m_1=1

  8. UsukiDoll
    • one year ago
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    |dw:1436358056467:dw| k now what do we need to do next?

  9. anonymous
    • one year ago
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    ? divide ?

  10. UsukiDoll
    • one year ago
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    yeah

  11. anonymous
    • one year ago
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    whenever perpendicular, they are both the same.....

  12. anonymous
    • one year ago
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    -1/-1 ?

  13. anonymous
    • one year ago
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    just flip the sign

  14. anonymous
    • one year ago
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    the answer would be 1 ?

  15. UsukiDoll
    • one year ago
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    @waleedo212 wrong. parallel lines have the same slope

  16. anonymous
    • one year ago
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    oh okay nvm

  17. UsukiDoll
    • one year ago
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    @waleedo212 perpendicular lines have different slopes.

  18. UsukiDoll
    • one year ago
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    \[m_2 = \frac{-1}{1} \]

  19. anonymous
    • one year ago
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    so divide -1/-1 ?

  20. UsukiDoll
    • one year ago
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    *points up*

  21. anonymous
    • one year ago
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    okay

  22. anonymous
    • one year ago
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    its 1

  23. UsukiDoll
    • one year ago
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    no!

  24. anonymous
    • one year ago
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    oh can you help me out on that one .

  25. anonymous
    • one year ago
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    @UsukiDoll

  26. UsukiDoll
    • one year ago
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    scroll up to what I've Latex'd

  27. anonymous
    • one year ago
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    m1xm2=-1

  28. UsukiDoll
    • one year ago
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    \[m_2 = \frac{-1}{1} \]

  29. anonymous
    • one year ago
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    okay what would that be ? 1

  30. butterflydreamer
    • one year ago
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    ... -1 divided by 1 = ? 1 divided by 1 = 1 so NEGATIVE 1 divided by 1 is? Anything divided by 1 is the number on top of the fraction

  31. anonymous
    • one year ago
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    -1

  32. butterflydreamer
    • one year ago
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    yess

  33. anonymous
    • one year ago
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    thats the answer then right ?

  34. anonymous
    • one year ago
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    @butterflydreamer

  35. anonymous
    • one year ago
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    @UsukiDoll

  36. butterflydreamer
    • one year ago
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    yes it is. you can always plug it back into the equation \[m_1 \times m_2 = -1 \rightarrow 1 \times -1 = -1 \]

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