SOLUTION: Find the slope of the line that passes through each pair of points. (2,1),(0,0)= (4,5),(6,2)= (3,8),(7,3)= (1,0),(-4,2)= (8,-4),(-6,-3)= (-2,-3),(6,5)= Thank you

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Question 391493: Find the slope of the line that passes through each pair of points.
(2,1),(0,0)=
(4,5),(6,2)=
(3,8),(7,3)=
(1,0),(-4,2)=
(8,-4),(-6,-3)=
(-2,-3),(6,5)=




Thank you for your help.
Found 2 solutions by Alan3354, ewatrrr:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Find the slope of the line that passes through each pair of points.
(2,1),(0,0)=
Slope m = diffy/diffx
m = ((1-0)/(2-0)
m = 1/2
-------------
Do the others the same way. If diffx = 0, the slope is undefined and the line is parallel to the y-axis.
----------
(4,5),(6,2)=
(3,8),(7,3)=
(1,0),(-4,2)=
(8,-4),(-6,-3)=
(-2,-3),(6,5)=

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!


Hi,         

Using the point-slope formula, 

Note: may help in comparing y and x values to write the points as follows:

(2,1),

(0,0)  m = 1/2                  | 



(4,5),

(6,2)  m = 3/-2 = -(3/2)    | 





(3,8),

(7,3)  m = 5/-4 = -(5/4)     | 





(1,0),

(-4,2)  m = -2/5 = -(2/5     | 





(8,-4),

(-6,-3)  m = -1/14           | 





(-2,-3),(6,5)  m = 8/8 = 1        | 



do alway recommend checking the arithmetic













 

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