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anonymous

  • 5 years ago

need help finding the eqution of my answer

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  1. farmdawgnation
    • 5 years ago
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    chirs97, stop reposting this and post your actual question please!

  2. anonymous
    • 5 years ago
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    what is the slope intercept of (2,2)and (-1,5) what the answer

  3. farmdawgnation
    • 5 years ago
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    So have you seen the slope equation? Because that's what you need. :)

  4. anonymous
    • 5 years ago
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    yes

  5. anonymous
    • 5 years ago
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    i just need help to get the answer for my equation that i can up with y=x

  6. anonymous
    • 5 years ago
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    that was my answer

  7. anonymous
    • 5 years ago
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    y=x

  8. anonymous
    • 5 years ago
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    help me

  9. farmdawgnation
    • 5 years ago
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    No, you're looking for an actual number for this problem. Ok, so the first place to begin is to figure out the actual slope. The equation for slope- intercept is: \[y=mx+b\] We're looking for the B piece. So, we need to find m (the slope) first. Then we can use the slope-intercept form to find be.

  10. farmdawgnation
    • 5 years ago
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    Have you done any work with finding slopes of lines before?

  11. anonymous
    • 5 years ago
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    i know that i just need to see if is right

  12. anonymous
    • 5 years ago
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    i got y=x

  13. myininaya
    • 5 years ago
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    no y=x is not right

  14. anonymous
    • 5 years ago
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    that was my answer

  15. anonymous
    • 5 years ago
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    why is my answer not right did i do something wrong

  16. myininaya
    • 5 years ago
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    look at your slope

  17. anonymous
    • 5 years ago
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    ok

  18. myininaya
    • 5 years ago
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    recalculate that

  19. myininaya
    • 5 years ago
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    you shouldn't get 1 but you should get the opposite of 1 for your slope

  20. anonymous
    • 5 years ago
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    didnt know that

  21. myininaya
    • 5 years ago
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    \[m=\frac{5-2}{-1-2}=\frac{3}{-3}=-1\]

  22. anonymous
    • 5 years ago
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    i got 1 only

  23. anonymous
    • 5 years ago
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    how did u get -1

  24. myininaya
    • 5 years ago
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    -1-2=-3

  25. myininaya
    • 5 years ago
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    3/(-3)=-1

  26. anonymous
    • 5 years ago
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    i did that

  27. myininaya
    • 5 years ago
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    \[y-y_1=m(x-x_1)\] \[y-y_1=-1(x-x_1)\]

  28. myininaya
    • 5 years ago
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    now enter in a point and add y1 on both sides

  29. anonymous
    • 5 years ago
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    now i made something wrong

  30. anonymous
    • 5 years ago
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    so it is y= -1x

  31. myininaya
    • 5 years ago
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    \[(x=2,y=2)\]

  32. myininaya
    • 5 years ago
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    enter in this point

  33. myininaya
    • 5 years ago
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    \[y-2=-1(x-2)\]

  34. myininaya
    • 5 years ago
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    \[y-2=-x+2\] now add 2 on both sides

  35. anonymous
    • 5 years ago
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    did that

  36. myininaya
    • 5 years ago
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    y=-x+2+2 y=-x+4

  37. anonymous
    • 5 years ago
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    that the answer

  38. myininaya
    • 5 years ago
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    that is slope intercept form

  39. myininaya
    • 5 years ago
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    where -1 is the slope and (0,4) is the y intercept

  40. anonymous
    • 5 years ago
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    so it is y= -1x

  41. myininaya
    • 5 years ago
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    no y=-x+4 is what i have

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