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Spring98

  • one year ago

Alec calculated the slope of line AC between points A and B. Avis calculated the slope of line AC between points B and C. Both Alec and Avis drew triangles, as shown below, to calculate the slopes: Which statement is correct about the slopes calculated by Alec and Avis if both calculated the slopes accurately? A. Both calculated the slope as 3. B. Both calculated the slope as 1/3 . C. Alec calculated the slope as 1/3 and Avis calculated it as 3. D. Alec calculated the slope as 3 and Avis calculated it as 1/3.

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  1. Nnesha
    • one year ago
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    where are the lines ?

  2. Spring98
    • one year ago
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    hold on!

  3. Nnesha
    • one year ago
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    alright so write point A and B in order pair A(? ,? ) point B( ? , ?) on the graph :-)

  4. Nnesha
    • one year ago
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    for example point A ( 0 ,0) so point B (? ,? ) ?

  5. Spring98
    • one year ago
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    1,2

  6. Spring98
    • one year ago
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    i mean (6,2)

  7. Nnesha
    • one year ago
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    yes right now use slope formula \[\huge\rm \frac{ y_2 - y_1 }{ x_2 - x_1 }\] plug in x and y values

  8. Nnesha
    • one year ago
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    |dw:1433384182543:dw|

  9. Spring98
    • one year ago
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    12, and 4?

  10. Nnesha
    • one year ago
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    nope plug in x and y values how did you get 12 and 4 ?

  11. Spring98
    • one year ago
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    i squared it

  12. Nnesha
    • one year ago
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    nope y_2 it is not square that's mean 2nd y

  13. Nnesha
    • one year ago
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    y_1 first y y_2 2nd y which is y_2 = 2 y_1 = 0

  14. Nnesha
    • one year ago
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    \[\huge\rm \frac{ 2-0 }{ 6-0 }\] like this x_1=0 x_2 =6 y_1=0 y_2 = 2

  15. Spring98
    • one year ago
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    ok so how do i find the answer?

  16. Nnesha
    • one year ago
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    solve that

  17. Spring98
    • one year ago
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    i don't know how to

  18. Spring98
    • one year ago
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    it doesn't make sence to me

  19. Nnesha
    • one year ago
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    \[\huge\rm \frac{ 2-0 }{ 6-0 } = ?\]

  20. Nnesha
    • one year ago
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    why not ?

  21. Spring98
    • one year ago
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    2/6

  22. Nnesha
    • one year ago
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    \[\huge\rm \frac{ y_2 - y_1 }{ x_2 - x_1 }\] formula to find slope between A and B point A(0,0) B(6,2) that's how i plug in x and y values now just solve reduce the fraction

  23. Nnesha
    • one year ago
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    2/6 reduce the fraction

  24. Spring98
    • one year ago
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    1/3

  25. Nnesha
    • one year ago
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    yes right that's a slope of points A and B now find slope of points B and C just like did

  26. Spring98
    • one year ago
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    there is only 3 left

  27. Nnesha
    • one year ago
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    what do you mean ?

  28. Spring98
    • one year ago
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    there is only 3 left out of the numbers.

  29. Nnesha
    • one year ago
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    how do you know both didn't get same slope ?

  30. Nnesha
    • one year ago
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    point B is (6,2) what is point C (?? , ??)

  31. Spring98
    • one year ago
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    oh sorry i got off track its (16,8)

  32. Nnesha
    • one year ago
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    yes right now find slope between B and C points use slope formula (6,2)(16,8) find slope

  33. Spring98
    • one year ago
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    how do i do that?

  34. Nnesha
    • one year ago
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    just like we did for point A and B use that formula plug in x and y values

  35. Spring98
    • one year ago
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    can you tell me how?

  36. Nnesha
    • one year ago
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    |dw:1433385627509:dw| now plug in numbers

  37. Nnesha
    • one year ago
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    ello what did you get ?? try it plz!

  38. Spring98
    • one year ago
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    can ou help me?

  39. Agl202
    • one year ago
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    Yo susa

  40. Spring98
    • one year ago
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    what the?

  41. Spring98
    • one year ago
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    tu sho?

  42. Agl202
    • one year ago
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    Ay vay

  43. Spring98
    • one year ago
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    medal me

  44. Agl202
    • one year ago
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    Перш ты мене

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