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surryyy
 one year ago
The following graph shows the quantity of pencil sales (s) with respect to the day in August (d) in various office supply stores. Which of the following is most likely to be the equation of the trend line?
d=  20/3s  20
d = 20/3s  20
s = 20/3d  20
s= 20/3d  20
https://static.k12.com/eli/bb/1211/4_68960/2_33592_16_68976/a96bf17c229e063e24091eb1b909924af9c7c7b4/media/80038125d95831be7597a5f6b289b93a4e2c1562/mediaasset_952313_1.jpg
surryyy
 one year ago
The following graph shows the quantity of pencil sales (s) with respect to the day in August (d) in various office supply stores. Which of the following is most likely to be the equation of the trend line? d=  20/3s  20 d = 20/3s  20 s = 20/3d  20 s= 20/3d  20 https://static.k12.com/eli/bb/1211/4_68960/2_33592_16_68976/a96bf17c229e063e24091eb1b909924af9c7c7b4/media/80038125d95831be7597a5f6b289b93a4e2c1562/mediaasset_952313_1.jpg

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phi
 one year ago
Best ResponseYou've already chosen the best response.1in a "normal" graph, the horizontal axis is x and the vertical is y in your graph, what do "d" and "s" correspond to ?

phi
 one year ago
Best ResponseYou've already chosen the best response.1in other words, which of s or d is the "y" ?

phi
 one year ago
Best ResponseYou've already chosen the best response.1ok. the equation of a line in point slope form is y= mx + b so in this case, I would expect to see s= m d + b where m is the slope and b is the yintercept knowing that, you can cross of two of the choices.

phi
 one year ago
Best ResponseYou've already chosen the best response.1any idea how to decide which of the two remaining choices is the correct answer ? I would use the idea that a line that slopes up and to the right has positive slope

phi
 one year ago
Best ResponseYou've already chosen the best response.1what is the slope in choice D ?

phi
 one year ago
Best ResponseYou've already chosen the best response.1yes, and that is positive. that means that line slopes up and to the right which is what we want. (the other choice slopes down)

surryyy
 one year ago
Best ResponseYou've already chosen the best response.0so d is correct right?

phi
 one year ago
Best ResponseYou've already chosen the best response.1yes, D is correct. it has the correct form s= m d + b and it has the correct slope (positive)
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