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Barrelracer17

  • one year ago

Indicate in standard form the equation of the line passing through the given points. A(4, 1), B(5, 2)

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  1. anonymous
    • one year ago
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    do you know how to find the slope? you need that first

  2. Barrelracer17
    • one year ago
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    yes i do

  3. anonymous
    • one year ago
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    what did you get?

  4. Barrelracer17
    • one year ago
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    1

  5. anonymous
    • one year ago
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    ok good

  6. anonymous
    • one year ago
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    next, do you know the "point - slope" formula?

  7. Barrelracer17
    • one year ago
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    its the y-y1=M(x-x1)

  8. anonymous
    • one year ago
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    right

  9. Barrelracer17
    • one year ago
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    i get all of that i just think im getting my math wrong

  10. anonymous
    • one year ago
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    you can use either point \((4,1)\) or \((5,2)\) plug in the numbers

  11. anonymous
    • one year ago
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    which point did you use?

  12. Barrelracer17
    • one year ago
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    for the x i used 4 and the y i used 1

  13. anonymous
    • one year ago
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    ok then \[y-1=1(x-4)\] is a first step, but really the writing the 1 is silly so you can write \[y-1=x-4\]

  14. Barrelracer17
    • one year ago
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    okay

  15. anonymous
    • one year ago
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    then if you need to solve for \(y\) add \(1\) to both sides

  16. anonymous
    • one year ago
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    not sure what mistake you made before, but i hope it is clearer now

  17. Barrelracer17
    • one year ago
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    i dont know either just didnt look right to me

  18. Barrelracer17
    • one year ago
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    and thank you for your help

  19. anonymous
    • one year ago
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    yw

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spraguer (Moderator)
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