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Jordans_openstudy

  • one year ago

Find the distance between (-2,8) and (11,2). round to the nearest hundredth

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  1. Jordans_openstudy
    • one year ago
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    @abswag13

  2. Black_ninja123
    • one year ago
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    Do you know the distance formula?

  3. anonymous
    • one year ago
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    yep

  4. anonymous
    • one year ago
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    |dw:1433268589918:dw|

  5. anonymous
    • one year ago
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    just plug in and solve

  6. anonymous
    • one year ago
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    your y2 = 2.

  7. anonymous
    • one year ago
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    your y1= 8

  8. anonymous
    • one year ago
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    x2=11

  9. anonymous
    • one year ago
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    x1= -2

  10. anonymous
    • one year ago
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    just plug in and solve and you get the answer

  11. Black_ninja123
    • one year ago
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    \[\sqrt{11-(-2)^{2}+2-8^{2}}\]

  12. Black_ninja123
    • one year ago
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    \[\sqrt{169+36}\]

  13. anonymous
    • one year ago
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    the slope is -6/13

  14. Black_ninja123
    • one year ago
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    \[\sqrt{205}=14.31\]

  15. anonymous
    • one year ago
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    if your finding the slope then thats your answer

  16. Jordans_openstudy
    • one year ago
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    ohhh okay i think i am getting it now !

  17. anonymous
    • one year ago
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    jords openstudy r u looking for slope?

  18. anonymous
    • one year ago
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    or something else?

  19. Jordans_openstudy
    • one year ago
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    It says find the distance between and round to the nearest hundredth

  20. anonymous
    • one year ago
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    if your looking for slope then thats your answer

  21. Black_ninja123
    • one year ago
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    He is not looking for the slope he is looking for the distance between the 2 points

  22. Jordans_openstudy
    • one year ago
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    Would that be the same thing or ? i am so bad at math lmao

  23. Black_ninja123
    • one year ago
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    Finding the slope is different

  24. Jordans_openstudy
    • one year ago
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    ninja would that be 14.31 as you gave me above?

  25. Black_ninja123
    • one year ago
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    yes but what is 14.31 nearest hundredth

  26. Jordans_openstudy
    • one year ago
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    14.30?

  27. anonymous
    • one year ago
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    |dw:1433269011563:dw|

  28. Black_ninja123
    • one year ago
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    Yes

  29. anonymous
    • one year ago
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    that is the distance formula

  30. Jordans_openstudy
    • one year ago
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    Okay cool thanks !

  31. geerky42
    • one year ago
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    |dw:1433269114813:dw|

  32. anonymous
    • one year ago
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    thx @geerky42

  33. anonymous
    • one year ago
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    i forgot the ^2

  34. geerky42
    • one year ago
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    Distance formula is in form of Pythagorean Theorem.

  35. geerky42
    • one year ago
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    No problem

  36. Jordans_openstudy
    • one year ago
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    Could you guys help me with this one ? http://i61.tinypic.com/ofdgg3.jpg

  37. Jordans_openstudy
    • one year ago
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    @abswag13 @geerky42

  38. geerky42
    • one year ago
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    Do you know what this line is?

  39. geerky42
    • one year ago
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    at x=1, y=1 at x=2, y=2 at x=3, y=3 and so on...

  40. Jordans_openstudy
    • one year ago
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    wait I'm confused

  41. Jordans_openstudy
    • one year ago
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    what do you mean on the second comment?

  42. geerky42
    • one year ago
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    Never mind Any lines can be expressed as \(y = mx+b\), where \(m\) is slope and \(b\) is y-intercept. what is y-intercept here? Do you know?

  43. Jordans_openstudy
    • one year ago
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    Im really not so sure

  44. geerky42
    • one year ago
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    y-intercept is where line intersect y-axis

  45. geerky42
    • one year ago
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    where is this line intersect y-axis?

  46. geerky42
    • one year ago
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    |dw:1433270175000:dw|

  47. Jordans_openstudy
    • one year ago
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    0

  48. geerky42
    • one year ago
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    yeah, so b is 0. \(y = mx+0\) which is same as \(y = mx\) Now for m (slope), you know how to find slope?

  49. geerky42
    • one year ago
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    \(\text{Slope} = \dfrac{\text{rise}}{\text{run}}\)

  50. Jordans_openstudy
    • one year ago
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    I forgot how to find the slope

  51. geerky42
    • one year ago
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    For each "run", how much does it rise?

  52. geerky42
    • one year ago
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    |dw:1433270481630:dw|

  53. geerky42
    • one year ago
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    Arrows are so small, sorry lol

  54. Jordans_openstudy
    • one year ago
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    no worries haha

  55. Jordans_openstudy
    • one year ago
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    is rise a ? or 2 ? hard to tell

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