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ChristineToTheRescue

Help me check my slope question?

  • one year ago
  • one year ago

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  1. ChristineToTheRescue
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    Write the equation of a line (in slope intercept form) that is perpendicular to y=1/4x-6 that passes through the poin (6,4)

    • one year ago
  2. ChristineToTheRescue
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    I MEAN 1/2

    • one year ago
  3. ChristineToTheRescue
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    y=1/2x-6

    • one year ago
  4. ChristineToTheRescue
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    So... isn't that already slope intercept form?

    • one year ago
  5. ChristineToTheRescue
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    I'm really confused...

    • one year ago
  6. CalebBeavers
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    thats the slope intercept form of the line it is perpendicular to. you're trying to find the other line.

    • one year ago
  7. ChristineToTheRescue
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    So, I have to reciprocal it?

    • one year ago
  8. Mertsj
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    What is the slope of y = 1/4x-6?

    • one year ago
  9. ChristineToTheRescue
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    OH. I see nao.

    • one year ago
  10. ChristineToTheRescue
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    Pshhh.

    • one year ago
  11. ChristineToTheRescue
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    so it becomes y=-1/2-6 correct?

    • one year ago
  12. CalebBeavers
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    No, you have to take the slope, reciprocal it and change the sign, and then use that plus the point you have to find the equation of the other line

    • one year ago
  13. ChristineToTheRescue
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    Oh wait. I'm a derp. I just realized that :P

    • one year ago
  14. ChristineToTheRescue
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    y-4=-2(x-6) yes?

    • one year ago
  15. CalebBeavers
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    correct, not distribute the -2 and after that add the 4 to both sides and you're done

    • one year ago
  16. CalebBeavers
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    now*

    • one year ago
  17. ChristineToTheRescue
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    y=-2x+16?

    • one year ago
  18. CalebBeavers
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    correct

    • one year ago
  19. Mertsj
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    How can that be right when the slope of the given line is 1/4 and so the slope of the perpendicular is -4???

    • one year ago
  20. CalebBeavers
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    She said that was a typo, changed it to 1/2

    • one year ago
  21. CalebBeavers
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    So you're done. answer is y=-2x+16

    • one year ago
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