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anonymous

  • one year ago

http://prntscr.com/8b7fd2 Please help me do a equation out of this to find the slope with the formula of y2-y1/x2-x1

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  1. zzr0ck3r
    • one year ago
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    do a equation?

  2. anonymous
    • one year ago
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    The graph is what i am supposed to use (click the link in my question)

  3. zzr0ck3r
    • one year ago
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    I don't understand "do a equation" what do you need to do?

  4. anonymous
    • one year ago
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    You have to pick two points on the line

  5. anonymous
    • one year ago
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    that doesn't look like the right graph

  6. anonymous
    • one year ago
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    \[y2-y1\] ------- \[x2-x1\]

  7. anonymous
    • one year ago
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    It is.

  8. anonymous
    • one year ago
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    that is slope formula yes.

  9. anonymous
    • one year ago
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    do we just have to make something up or are we trying to find the slope of a certain line?

  10. anonymous
    • one year ago
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    \[\frac{ }{ 20-70 }\]

  11. anonymous
    • one year ago
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    you need 2 points

  12. anonymous
    • one year ago
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    (20,70)

  13. anonymous
    • one year ago
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    For worm B.

  14. anonymous
    • one year ago
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    thats one point, you need two

  15. anonymous
    • one year ago
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    so 20x and 70y is the first point. (20, 70)

  16. anonymous
    • one year ago
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    So, (20,70) and (25,80)

  17. anonymous
    • one year ago
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    Right????

  18. anonymous
    • one year ago
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    yup, good job

  19. anonymous
    • one year ago
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    now, take the y variables and subtract them like this, 80y - 70y and subtract the x varibels 20x - 25x

  20. anonymous
    • one year ago
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    \[\frac{ 70-80 }{ 25-20 }\]

  21. anonymous
    • one year ago
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    |dw:1441070468026:dw|

  22. anonymous
    • one year ago
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    simplify 10/5 =

  23. anonymous
    • one year ago
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    So the answer would be \[70-80=10\] \[25-20=5\] \[\frac{ 10}{ 5 }\] \[2?\]

  24. anonymous
    • one year ago
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    yup

  25. anonymous
    • one year ago
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    the slope of the line is 2.

  26. anonymous
    • one year ago
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    \[10\div5=2\] \[5\div5=1\] So then the answer is 2!

  27. anonymous
    • one year ago
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    Ok Thank you!

  28. anonymous
    • one year ago
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    Good going. you got it!

  29. anonymous
    • one year ago
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    Happy to help.

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