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LaynaMae Group Title

Help?

  • 10 months ago
  • 10 months ago

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  1. LaynaMae Group Title
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    • 10 months ago
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  2. ganeshie8 Group Title
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    average rate of change = change in y / change in x

    • 10 months ago
  3. ganeshie8 Group Title
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    you're going from x=3 to x=5 so, chang ein x = 5-3 = 2

    • 10 months ago
  4. ganeshie8 Group Title
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    do u knw how to find change in y, from the given table ?

    • 10 months ago
  5. LaynaMae Group Title
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    But what about the 1 ?

    • 10 months ago
  6. LaynaMae Group Title
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    And no , all of this is confusing to me :(

    • 10 months ago
  7. ganeshie8 Group Title
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    its okay to get confuse when u start... did u get how we got the change in x ?

    • 10 months ago
  8. LaynaMae Group Title
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    Yes, we subtracted them? :o

    • 10 months ago
  9. ganeshie8 Group Title
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    yes, now look at table. and tell me wats the y value, when x = 5 and when x = 3

    • 10 months ago
  10. LaynaMae Group Title
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    When x=5 , the y value is -2 . When x=3 , the y value is 4

    • 10 months ago
  11. ganeshie8 Group Title
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    excellent ! so change in y = -2-4 = -6

    • 10 months ago
  12. ganeshie8 Group Title
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    average rate of change = change in y / change in x = -6/2 = -3

    • 10 months ago
  13. ganeshie8 Group Title
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    see if that makes sense

    • 10 months ago
  14. LaynaMae Group Title
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    That does makes sense ! :D

    • 10 months ago
  15. ganeshie8 Group Title
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    cool :)

    • 10 months ago
  16. LaynaMae Group Title
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    Thank you so much, I have a few more questions? Would you be willing to help?

    • 10 months ago
  17. ganeshie8 Group Title
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    sure ask :)

    • 10 months ago
  18. LaynaMae Group Title
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    I will attach it as a picture so it will be easier :)

    • 10 months ago
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  19. ganeshie8 Group Title
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    find m, the rate of change of first

    • 10 months ago
  20. ganeshie8 Group Title
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    (-1, 3) and (1 , 7)

    • 10 months ago
  21. ganeshie8 Group Title
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    those are the given points

    • 10 months ago
  22. ganeshie8 Group Title
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    (-1, 3) and (1 , 7) x1 y1 x2 y2

    • 10 months ago
  23. ganeshie8 Group Title
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    rate of change , m = change in y / change in x = y2-y1 / x2-x1

    • 10 months ago
  24. ganeshie8 Group Title
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    = 7-3 / 1--1 = 4/2 =2 so, m = 2

    • 10 months ago
  25. LaynaMae Group Title
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    Right :) I'm working it out on paper with you :P

    • 10 months ago
  26. ganeshie8 Group Title
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    now, use this :- equation of line in slope, point form is, y - y1 = m(x-x1) plugin values :)

    • 10 months ago
  27. LaynaMae Group Title
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    That would be y - 3 = 2 (x - (-1)) ?

    • 10 months ago
  28. ganeshie8 Group Title
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    Yes !

    • 10 months ago
  29. LaynaMae Group Title
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    Yay !!

    • 10 months ago
  30. LaynaMae Group Title
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    So is that it ? :o

    • 10 months ago
  31. ganeshie8 Group Title
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    not yet, thats one equation. we could have used the second point aswell... let me do it for you :)

    • 10 months ago
  32. LaynaMae Group Title
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    Oh , okay :) Thank you !

    • 10 months ago
  33. ganeshie8 Group Title
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    slope m = 2, second point (1 , 7) so m = 2, x1 = 1, y1=7 y-y1 = m(x-x1) plugin values now

    • 10 months ago
  34. ganeshie8 Group Title
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    y-7 = 2(x-1)

    • 10 months ago
  35. ganeshie8 Group Title
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    thats the second equation. now see which one exists in the given options , and tick that one...

    • 10 months ago
  36. LaynaMae Group Title
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    It's option 2 ! :)

    • 10 months ago
  37. LaynaMae Group Title
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    You helped me understand this ! Thank you :D

    • 10 months ago
  38. ganeshie8 Group Title
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    Yes ! takes time to master these... i see you're already getting good at these :)

    • 10 months ago
  39. LaynaMae Group Title
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    I have 3 more questions left and 2 are easy , once I answer those may you help me with the very last question ?? Pleasee :p

    • 10 months ago
  40. ganeshie8 Group Title
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    np, i hav time :)

    • 10 months ago
  41. ganeshie8 Group Title
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    just holler when u r done wid the two prblms... ;)

    • 10 months ago
  42. LaynaMae Group Title
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    Haha okay !! :)

    • 10 months ago
  43. LaynaMae Group Title
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    Okay here's the last question :) Jack and Jill had 3 pails of water. Each trip up the hill, Jack and Jill obtained 1 more bucket of water. Which of the graphs below represents Jack and Jill's number of pails over time?

    • 10 months ago
  44. ganeshie8 Group Title
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    check ur 3rd & 4th graphs. they are same !

    • 10 months ago
  45. LaynaMae Group Title
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    That's how it is on my quiz :( It's probably an error ... Is there anyway to do this and figure out the answer and see if it's on one of the graphs ? If not , I don't think my teacher will deduct points for the question being incorrect lol

    • 10 months ago
  46. ganeshie8 Group Title
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    ohk, but wat wud u pick whe u have two exact same graphs ?

    • 10 months ago
  47. LaynaMae Group Title
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    Ugh I'm just going to chose an answer and tell my teacher there was an error with the questions . Thank you though :)

    • 10 months ago
  48. ganeshie8 Group Title
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    good :) here is how we solve it :- since to start with, they have 3 pails of water, that means, the line must cit the y- axis at 3

    • 10 months ago
  49. ganeshie8 Group Title
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    since the line is cutting y-axis at 3 only in 3rd & 4th graphs, one of them must be ur answer

    • 10 months ago
  50. ganeshie8 Group Title
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    and since, both graphs are exact same, u toss a coin and pick one

    • 10 months ago
  51. LaynaMae Group Title
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    Haha okay :) Thank you so much for your help :)

    • 10 months ago
  52. ganeshie8 Group Title
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    np :) goodluck wid ur assignment :)

    • 10 months ago
  53. LaynaMae Group Title
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    WAITTT ! This one ?? :o

    • 10 months ago
  54. LaynaMae Group Title
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    Can you help ? :o

    • 10 months ago
  55. ganeshie8 Group Title
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    ha, take first equation, and solve x

    • 10 months ago
  56. ganeshie8 Group Title
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    first equaiton :- 2x+4 = 3x-11

    • 10 months ago
  57. ganeshie8 Group Title
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    can you solve x ?

    • 10 months ago
  58. LaynaMae Group Title
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    Yes, give me a minute :)

    • 10 months ago
  59. ganeshie8 Group Title
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    take ur time =)

    • 10 months ago
  60. LaynaMae Group Title
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    The answer is 3 :)

    • 10 months ago
  61. LaynaMae Group Title
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    Second one is 16

    • 10 months ago
  62. LaynaMae Group Title
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    I need help solving the last one ...

    • 10 months ago
  63. ganeshie8 Group Title
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    second one is 16 \(\checkmark \)

    • 10 months ago
  64. ganeshie8 Group Title
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    but first one is not 3

    • 10 months ago
  65. LaynaMae Group Title
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    It's not ? :( What's the first one ?

    • 10 months ago
  66. ganeshie8 Group Title
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    2x+4 = 3x-11 subtract 2x both sides 4 = x - 11 add 11 both sides 15 = x

    • 10 months ago
  67. ganeshie8 Group Title
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    first one is 15

    • 10 months ago
  68. LaynaMae Group Title
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    Ohhhhh ! I know what I did wrong ! I added 3x and 2x by mistake ! haha

    • 10 months ago
  69. ganeshie8 Group Title
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    :) i thought so... third equation :- \(\large \frac{2x+1}{3} = \frac{x+6}{2}\)

    • 10 months ago
  70. ganeshie8 Group Title
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    cross multiply

    • 10 months ago
  71. LaynaMae Group Title
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    How would I start ? :( I'm no good in cross multiplying ..

    • 10 months ago
  72. ganeshie8 Group Title
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    \(\large \frac{2x+1}{3} = \frac{x+6}{2}\) \(\large 2(2x+1) = 3(x+6)\)

    • 10 months ago
  73. LaynaMae Group Title
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    Omg that makes sense -.- ! Okay I understand now !

    • 10 months ago
  74. ganeshie8 Group Title
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    cool :) solve x

    • 10 months ago
  75. ganeshie8 Group Title
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    \(\large \frac{2x+1}{3} = \frac{x+6}{2}\) \(\large 2(2x+1) = 3(x+6)\) \(\large 4x+2 = 3x+18\) solve x

    • 10 months ago
  76. LaynaMae Group Title
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    4x + 2 = 3x + 18 ? Then solve ?

    • 10 months ago
  77. ganeshie8 Group Title
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    yes !

    • 10 months ago
  78. LaynaMae Group Title
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    Okay one moment !

    • 10 months ago
  79. ganeshie8 Group Title
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    oki

    • 10 months ago
  80. LaynaMae Group Title
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    Is x = -16 ?

    • 10 months ago
  81. ganeshie8 Group Title
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    \(\large \frac{2x+1}{3} = \frac{x+6}{2}\) \(\large 2(2x+1) = 3(x+6)\) \(\large 4x+2 = 3x+18\) subtract 3x both sides \(\large x+2 = 18\)

    • 10 months ago
  82. ganeshie8 Group Title
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    that gives, x = ?

    • 10 months ago
  83. LaynaMae Group Title
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    Oh sorry I subtracted 4x by mistake !

    • 10 months ago
  84. ganeshie8 Group Title
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    ok.. x = ?

    • 10 months ago
  85. LaynaMae Group Title
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    One sec

    • 10 months ago
  86. ganeshie8 Group Title
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    \(\large \frac{2x+1}{3} = \frac{x+6}{2}\) \(\large 2(2x+1) = 3(x+6)\) \(\large 4x+2 = 3x+18\) subtract 3x both sides \(\large x+2 = 18\) subtract 2 both sides \(\large x = 16\)

    • 10 months ago
  87. LaynaMae Group Title
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    Should be 16 !

    • 10 months ago
  88. ganeshie8 Group Title
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    x = 16 ! :)

    • 10 months ago
  89. LaynaMae Group Title
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    Yay :D

    • 10 months ago
  90. LaynaMae Group Title
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    So equations 1 and 3 have the same solution !

    • 10 months ago
  91. ganeshie8 Group Title
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    yes ! so we got, first one, x = 15 second one, x = 16 third one, x = 16

    • 10 months ago
  92. ganeshie8 Group Title
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    careful madam, equations 2 and 3 have the same solution

    • 10 months ago
  93. LaynaMae Group Title
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    THANK YOU THANK YOU THANK YOU !! :) & yes I got confused haha but now i get it :)

    • 10 months ago
  94. ganeshie8 Group Title
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    glad to hear that :) you're wlcme !!

    • 10 months ago
  95. LaynaMae Group Title
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    Are you willing to help me out with 4 more questions ? And that it for the day !! Haha

    • 10 months ago
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