anonymous
  • anonymous
Please help!
Mathematics
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anonymous
  • anonymous
Please help!
Mathematics
schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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anonymous
  • anonymous
Two graphs are shown below: graph A shows scatter points 1, 3 and 2, 5 and 3, 7 and 4, 9 and 5, 11graph A shows scatter points 1, 11 and 2, 9 and 3, 7 and 4, 5 and 5, 3 Which scatter plot shows a linear relationship between x and y? Only graph A Only graph B Both graph A and graph B Neither graph A nor graph B
anonymous
  • anonymous
Here is the graph: http://prntscr.com/88hmnm
SolomonZelman
  • SolomonZelman
You can see if the points have a pattern (x,y) \(\Longrightarrow\) (x+a)(y+b)

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SolomonZelman
  • SolomonZelman
(1,3) \(\Longrightarrow\) (1+\(\color{red}{1}\))(3+\(\color{blue}{2}\))=(2,5) (2,5) \(\Longrightarrow\) (2+\(\color{red}{1}\))(5+\(\color{blue}{2}\))=(3,7) (3,7) \(\Longrightarrow\) (3+\(\color{red}{1}\))(7+\(\color{blue}{2}\))=(4,9) agree that this is the pattern here?
anonymous
  • anonymous
1,2?
SolomonZelman
  • SolomonZelman
What do you mean?
SolomonZelman
  • SolomonZelman
I can't answer a question if I don't know what's asked.
SolomonZelman
  • SolomonZelman
So we have showed that the pattern here is indeed: (x,y) \(\Longrightarrow\) (x+\(\color{red}{1}\))(y+\(\color{blue}{2}\)) So each time you are adding 1 to the x, you are adding 2 to the y. (Saying as the grph goes \(\color{red}{1}\) unit right, it goes \(\color{blue}{2}\) units up) (lets call change in x, \(\Delta x\) AND lets call change in y, \(\Delta y\) ) \({\rm m}~=~\dfrac{\Delta y}{\Delta x}=\dfrac{\color{blue}{2}}{\color{red}{1}}=\bf 2\) So the set of point A, is a line with a slope of 2:)

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