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anonymous

  • one year ago

Choose the equation below that represents the line passing through the point (1, -4) with a slope of one half. Choose the equation below that represents the line passing through the point (1, -4) with a slope of one half.

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  1. anonymous
    • one year ago
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    a. y - 4 = one half(x - 1) b. y + 4 = 2(x - 1) c. y + 4 = one half(x - 1) d. y - 4 = 2(x + 1)

  2. anonymous
    • one year ago
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    a or c rigjt?

  3. anonymous
    • one year ago
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    Use the point slope formula do you know what it is and how to use it?

  4. anonymous
    • one year ago
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    y1-y2/x1-x2

  5. anonymous
    • one year ago
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    That is the formula to find the slope of a line. Once you have the slope and a point you can use the point slope formula to find the rest of the equation. Those answers are all in point slope form. Give me a moment to work it out and ill get back too you

  6. anonymous
    • one year ago
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    If you use the point slope m=y-y coordinate/x-x coordinate then you get 1/2=y-(-4)/x-1... Multiply both sides by (x-1) and you get 1/2(x-1)=y+4 or c make sense?

  7. anonymous
    • one year ago
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    not really

  8. anonymous
    • one year ago
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    confused lol

  9. anonymous
    • one year ago
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    m stands in for the slope try to write it out and replace my / with fraction bars and it should be a little easier to understand

  10. AbdullahM
    • one year ago
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    yes, you have correctly narrowed it down to a or c. They gave you a point \(\sf (1,-4)\), and that is in the form of \(\sf (x_1,y_1)\) So, plug in the values into: \(\sf y-y_1=m(x-x_1)\) where m is the slope

  11. anonymous
    • one year ago
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    showing me up lol with all your fancy techniques

  12. anonymous
    • one year ago
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    so y+4= 1/2(x - 1)

  13. AbdullahM
    • one year ago
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    correct

  14. AbdullahM
    • one year ago
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    This is not fancy, this is the easy way @3714

  15. anonymous
    • one year ago
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    thanks again abdullah

  16. AbdullahM
    • one year ago
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    np :)

  17. anonymous
    • one year ago
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    lol I tired

  18. AbdullahM
    • one year ago
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    but your way would lead to the correct answer too, so no worries xD

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