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niti Group Title

5. Determine whether the following two lines are parallel, perpendicular, neither, or both. L1: passes through (6, 4) and (3, 6) L2: passes through (5, 4) and (3, 1) both parallel and perpendicular perpendicular parallel neither parallel or perpendicular

  • 3 years ago
  • 3 years ago

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  1. angela210793 Group Title
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    two parallel lines must have the same coefficient k1=(y2-y1)/(x2-x1)=(6-4)/(3-6)=-2/3 k2=(1-4)/(3-5)=3/2 so the lines aren't parallel 2 lines are perpendicular when K1*k2=-1---> -2/3*3/2=-1 so the lines are perpendicular :)

    • 3 years ago
  2. angela210793 Group Title
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    (I'm not sure with wht you express the coefficient..but in Albania we use K that's why I used it :)

    • 3 years ago
  3. niti Group Title
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    oh you're an albanian ?

    • 3 years ago
  4. Annand Group Title
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    the coefficient told by angela is also called the slope of the line...

    • 3 years ago
  5. angela210793 Group Title
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    Yea :) Have you heard abt it?

    • 3 years ago
  6. niti Group Title
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    im KOSOVAR :)

    • 3 years ago
  7. angela210793 Group Title
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    Woaaaaaaaaaaaawwwwwwwwwwwwwwwwwwww me te vertete?????????

    • 3 years ago
  8. niti Group Title
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    me te vertete he, hyn ne chat

    • 3 years ago
  9. angela210793 Group Title
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    Are you kidding me?

    • 3 years ago
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