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madhatter

  • 3 years ago

ayesha is a gatdener who makes square gardens in various sizes. the table shows the side lengths in feet,and the areas of various gardens,in square feet. A.write the valuse from the table as a set of ordered pairs B.graph the relation describe your graph and explain whether it is a function. C. describe the relationship between the side lenght and area of the garden D.suppose the area of a garden is 3,600 square feet discribe how to find the

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  1. madhatter
    • 3 years ago
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  2. jim_thompson5910
    • 3 years ago
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    each row corresponds to an ordered pair

  3. jim_thompson5910
    • 3 years ago
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    so the first row of 14 and 196 means we have the point (14, 196) the second row has 18 and 324, so we have (18, 324) etc etc

  4. AKANicole
    • 3 years ago
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    i no this!

  5. jim_thompson5910
    • 3 years ago
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    you do this for every row to fill out part a)

  6. madhatter
    • 3 years ago
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    ok ..

  7. jim_thompson5910
    • 3 years ago
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    part b) plot every point you get from part a) and draw a curve through all of the points to graph the equation

  8. madhatter
    • 3 years ago
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    k... so after i do that then what

  9. jim_thompson5910
    • 3 years ago
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    describe the relationship between the side length and area of the garden I'll leave that to you, tell me what you think is the relationship

  10. madhatter
    • 3 years ago
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    can we go back to a plz

  11. jim_thompson5910
    • 3 years ago
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    ok what do you want to ask about that

  12. madhatter
    • 3 years ago
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    so i charted all them down what do i do after that

  13. madhatter
    • 3 years ago
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    ..??

  14. jim_thompson5910
    • 3 years ago
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    ok what points did you get

  15. madhatter
    • 3 years ago
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    (14,196) (18,324) (22,484) (26,676) (30,900)

  16. jim_thompson5910
    • 3 years ago
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    correct, plot all these points on the same xy axis

  17. jim_thompson5910
    • 3 years ago
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    after you have plotted all those points, you would then draw a curve through those all of these points

  18. madhatter
    • 3 years ago
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    oh ic

  19. madhatter
    • 3 years ago
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    what about c, d

  20. jim_thompson5910
    • 3 years ago
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    any ideas on C?

  21. madhatter
    • 3 years ago
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    nope i am so lost in this stuf i hate it

  22. jim_thompson5910
    • 3 years ago
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    14^2 = 196 18^2 = 324 22^2 = 484 etc etc so the relationship is this Area = (Side length)^2 ie you square the side length to get the area

  23. jim_thompson5910
    • 3 years ago
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    for part d), you do this A = s^2 3600 = s^2 s^2 = 3600 s = ???

  24. madhatter
    • 3 years ago
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    ok cool thanks i get so lost i have 2 more to do then i am do.....

  25. jim_thompson5910
    • 3 years ago
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    alright

  26. madhatter
    • 3 years ago
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    might have to ask u for more help but not sure

  27. jim_thompson5910
    • 3 years ago
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    go for it

  28. madhatter
    • 3 years ago
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    ok hang on

  29. jim_thompson5910
    • 3 years ago
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    ok

  30. madhatter
    • 3 years ago
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    one evening at 6pm the temp was 24F as the night progressed the temp dropped at a stedy rate of 4F pre hour A.make a table of values for the function for for values of 0 -8 let 0 persent the time for 6 pm

  31. madhatter
    • 3 years ago
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    there are 2 more that i will typ up to

  32. jim_thompson5910
    • 3 years ago
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    ok let's do these one at a time then

  33. jim_thompson5910
    • 3 years ago
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    first row will be 0 and 24 second row will be 1 and 20 (subtract 4 from 24) third row will be 2 and 16 (subtract 4 from 20) fourth row will be 3 and 12 (subtract 4 from 16) etc etc until you have 9 rows total

  34. madhatter
    • 3 years ago
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    ok lol

  35. madhatter
    • 3 years ago
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    thanks B.write a function rule for the liner function explain your method for witeing the rule

  36. jim_thompson5910
    • 3 years ago
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    y = mx + b y = -4x + b ... plug in the slope of -4 (I'll explain how I got this later) y = -4x + 24 ... plug in the y-intercept of 24 (this is the initial temperature) f(x) = -4x + 24 So the function rule is f(x) = -4x + 24

  37. madhatter
    • 3 years ago
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    kk

  38. jim_thompson5910
    • 3 years ago
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    The slope is found by subtracting two temperatures (next to each other)....so 24 - 20 = 4 ... make this difference positive if it's not already then you subtract two hour values (next to each other) ...so 1 - 0 = 1 ... make this difference positive if it's not already Now divide the two differences: 4/1 = 4 Then make the slope negative. The slope is negative because the temperature is DECREASING So the slope is m = -4

  39. jim_thompson5910
    • 3 years ago
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    you could pick on temperatures and hour values not next to each other, but it's easier to use values next to each other

  40. madhatter
    • 3 years ago
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    ok cool the next part is C at what time will the temp reach 0F explian the method of finding the time

  41. jim_thompson5910
    • 3 years ago
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    f(x) = -4x + 24 0 = -4x + 24 solve for x

  42. madhatter
    • 3 years ago
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    ok thanks so much r u willing to help with one more or r u done lol

  43. jim_thompson5910
    • 3 years ago
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    i can do one more

  44. madhatter
    • 3 years ago
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    ok thanks so much u r a life saver oh hey i think i can figure it out on my own actually lol thanks so much for helping me

  45. jim_thompson5910
    • 3 years ago
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    yay that's great that you can, and I'm glad to be of help to you

  46. madhatter
    • 3 years ago
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    sorry for asking so much and takeing up so much of ur time

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