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anonymous

  • one year ago

how do you sketch a graph and use the Pythagorean therom

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  1. lochana
    • one year ago
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    Can you provide an example?

  2. anonymous
    • one year ago
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    there is no example...

  3. lochana
    • one year ago
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    How did you come to know all these things? teacher ? If so explain what did she/he do in class?

  4. anonymous
    • one year ago
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    yes a teacher and if i asked her, she would probably think im cheating on the test...

  5. lochana
    • one year ago
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    There is no direct relationship between graphs and pythagorean theorem. You can draw graphs without pythagoras.

  6. anonymous
    • one year ago
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    well yhe wuestion is confusing

  7. lochana
    • one year ago
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    Oh. Okay. Do you know how to draw a graph from a given equation. (eg: y = 2x )

  8. anonymous
    • one year ago
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    no

  9. lochana
    • one year ago
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    okay. graph is a sketch of a equation. Like the one I gave before. You can represent it through a graph.

  10. lochana
    • one year ago
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    So a graph has 2 axis. We call them X and Y

  11. lochana
    • one year ago
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    |dw:1439217997479:dw|

  12. lochana
    • one year ago
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    now, In order to draw our graph . You need 2 things. They are values of x and y. Otherwise you can draw it.

  13. lochana
    • one year ago
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    think about: y = 2x

  14. lochana
    • one year ago
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    strangely we have these y and x parts in our equation. So we need to find some of x and y parts in numbers to draw our graph

  15. lochana
    • one year ago
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    I will explain you when you come back:)

  16. anonymous
    • one year ago
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    ok

  17. lochana
    • one year ago
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    Hey. Are you following me so far?

  18. anonymous
    • one year ago
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    yes, i know how to make a graph but how do you use it on a graph or when making a graph?

  19. anonymous
    • one year ago
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    how do you use the Pythagorean therom on a graph...

  20. lochana
    • one year ago
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    Well, You can get a distance between 2 points using pythagorean theorem

  21. lochana
    • one year ago
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    Is that what you are asking?

  22. anonymous
    • one year ago
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    yes

  23. lochana
    • one year ago
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    okay. You know that it is difficult to get a distance between two points when you are given coordinates of those points.

  24. lochana
    • one year ago
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    The easiest way to go for it, using this pythagorean thearem. let me give you an example

  25. lochana
    • one year ago
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    |dw:1439218976248:dw| okay. now you want to know the distance of pq

  26. lochana
    • one year ago
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    |dw:1439219099674:dw| if you know (a) and (b) , You will find distance pq by using pyth.. theorem

  27. lochana
    • one year ago
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    now you need to get these (a) and (b) somehow in terms of coordinates of p and q. I will show you how it is done.. look at the coordinate of those again. and consider only x values for now

  28. lochana
    • one year ago
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    |dw:1439219429465:dw| It is clear that these lines are 1 and 4 long. is it?

  29. anonymous
    • one year ago
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    yes

  30. lochana
    • one year ago
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    |dw:1439219749996:dw| now go back to this one. can you guess (a) ?

  31. lochana
    • one year ago
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    you can find (a) from 1 and 4

  32. anonymous
    • one year ago
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    k

  33. lochana
    • one year ago
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    |dw:1439219878597:dw|

  34. lochana
    • one year ago
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    (a) is 3

  35. anonymous
    • one year ago
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    ok

  36. lochana
    • one year ago
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    if you think of (b) in that way , you will get (b). give it a try:)

  37. lochana
    • one year ago
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    |dw:1439220013389:dw|

  38. lochana
    • one year ago
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    did you understand it?

  39. anonymous
    • one year ago
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    im lost

  40. lochana
    • one year ago
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    think about heights of p and q. and get the difference of p and q

  41. lochana
    • one year ago
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    I will draw you again

  42. anonymous
    • one year ago
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    ok

  43. lochana
    • one year ago
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    |dw:1439220207256:dw| d and c are values of heights. look at coordinates and think about what makes their heights. And it must be y values

  44. lochana
    • one year ago
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    (d) is 5 (c) is 1

  45. lochana
    • one year ago
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    okay?

  46. anonymous
    • one year ago
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    ok

  47. lochana
    • one year ago
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    okay, So if I ask you what is the difference of those points. what would it be?

  48. lochana
    • one year ago
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    difference of heights

  49. lochana
    • one year ago
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    you just subtract 1 from 5 right?

  50. anonymous
    • one year ago
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    yeah

  51. lochana
    • one year ago
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    yes. So it is 4 5-1 =4

  52. lochana
    • one year ago
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    (b) is 4

  53. anonymous
    • one year ago
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    yerp

  54. lochana
    • one year ago
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    so now we know (a) and (b)

  55. lochana
    • one year ago
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    (a) = 3 (b) = 4

  56. anonymous
    • one year ago
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    k

  57. lochana
    • one year ago
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    |dw:1439220657934:dw| can you see it is a rectangular triangle and one can find pq

  58. lochana
    • one year ago
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    pythagorean thearem is |dw:1439220894648:dw|

  59. anonymous
    • one year ago
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    that makes sence

  60. lochana
    • one year ago
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    yep. pq is square root( 3^2 + 4 ^2)

  61. lochana
    • one year ago
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    3^2 + 4 ^2 = 9 + 16

  62. lochana
    • one year ago
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    which is 25, and get the squre root of 25 is 5

  63. lochana
    • one year ago
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    pq is 5

  64. anonymous
    • one year ago
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    what is the ^

  65. lochana
    • one year ago
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    3^2 = 3 to the power of 2

  66. anonymous
    • one year ago
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    what is the "^" sighn

  67. lochana
    • one year ago
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    \[3^{2}\]

  68. anonymous
    • one year ago
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    oh ok

  69. lochana
    • one year ago
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    bye

  70. anonymous
    • one year ago
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    bye

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