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kris2685 Group Title

write an equation of the line containing the specified point and perpendicular to the indicated line (0,6),2x -5=y

  • one year ago
  • one year ago

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  1. RyanL. Group Title
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    Ok so all you need is a point and a slope. You already have your point (0,6) and now all you need is the slope which you can get from this line: 2x -5=y

    • one year ago
  2. RyanL. Group Title
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    Can you tell me the slope of the line 2x -5=y

    • one year ago
  3. kris2685 Group Title
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    -3

    • one year ago
  4. RyanL. Group Title
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    y=mx+b

    • one year ago
  5. RyanL. Group Title
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    where m is the slope. Can you give it one more shot and tell me the slope?

    • one year ago
  6. kris2685 Group Title
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    2

    • one year ago
  7. RyanL. Group Title
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    great but since the line we are looking for is perpendicular to this the slope actually has to be a negative reciprocal. That's fancy math talk of saying - 1/2

    • one year ago
  8. RyanL. Group Title
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    now we use the point slope form. \[y-y_1=m(x-x_1)\] where \[(x_1,y_1)=(0,6)\]\[m=-\frac{1}{2}\]

    • one year ago
  9. RyanL. Group Title
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    plug that in and solve for y if you have to.

    • one year ago
  10. RyanL. Group Title
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    Get it?

    • one year ago
  11. kris2685 Group Title
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    y= -1/2 x-6

    • one year ago
  12. RyanL. Group Title
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    y= -1/2 x+6 actually because you add 6 to both sides. But close enough good job!

    • one year ago
  13. kris2685 Group Title
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    thank you

    • one year ago
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