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ChristineToTheRescue

  • 3 years ago

Help me check my slope question?

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  1. ChristineToTheRescue
    • 3 years ago
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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)

  2. ChristineToTheRescue
    • 3 years ago
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    I MEAN 1/2

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

  4. ChristineToTheRescue
    • 3 years ago
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    So... isn't that already slope intercept form?

  5. ChristineToTheRescue
    • 3 years ago
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    I'm really confused...

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

  7. ChristineToTheRescue
    • 3 years ago
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    So, I have to reciprocal it?

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

  9. ChristineToTheRescue
    • 3 years ago
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    OH. I see nao.

  10. ChristineToTheRescue
    • 3 years ago
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    Pshhh.

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

  12. CalebBeavers
    • 3 years ago
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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

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

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

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

  16. CalebBeavers
    • 3 years ago
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    now*

  17. ChristineToTheRescue
    • 3 years ago
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    y=-2x+16?

  18. CalebBeavers
    • 3 years ago
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    correct

  19. Mertsj
    • 3 years ago
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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???

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

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

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