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anonymous

  • one year ago

which pair of slopes represent perpendicular lines? a. 1/2, -1/2 b. 1/3, 3 c. -1/4, 4 d. -1/5,-5 Best answer and follow :) thank u

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  1. rishavraj
    • one year ago
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    if product of slopes = -1 ...it means lines r perpendicular

  2. anonymous
    • one year ago
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    how would i get the product?

  3. rishavraj
    • one year ago
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    like if m1 and m2 are slopes of two lines then if \[m_1 \times m_2 = -1\]

  4. anonymous
    • one year ago
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    im lost /:

  5. rishavraj
    • one year ago
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    like see \[\frac{ 1 }{ 2 } \times -\frac{ 1 }{ 2 } = -\frac{ 1 }{ 4 }\]

  6. rishavraj
    • one year ago
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    so its not perpendicular...bcoz product isn't equal to -1

  7. rishavraj
    • one year ago
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    likewise check other options..... if the product is -1 ...then the lines are perpendicular

  8. anonymous
    • one year ago
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    how would i do 1/3 x 3?

  9. rishavraj
    • one year ago
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    \[\frac{ 1 }{ 3 } \times 3 = 1\]

  10. anonymous
    • one year ago
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    so -1/4 x 4 would be -1?

  11. rishavraj
    • one year ago
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    yup :))

  12. rishavraj
    • one year ago
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    which means tht option is ur answer:))

  13. anonymous
    • one year ago
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    yes thank you so much once again for helping!!

  14. rishavraj
    • one year ago
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    yw :))

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