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What is the slope of a line perpendicular to the line containing the points $(4,-7)$ and $(-5,-1)$? Express your answer as a common fraction.

 May 25, 2021
 #1
avatar+32654 
+1

Slope between the two points = m     =    (-7- -1)/ (4- -5) =  -6 / 9      

   perpindicular slope is - 1/m   = 9/6

 

 

 

 

 

 

 

y = 9/6 x   would be a perpindicular line

 May 25, 2021
 #2
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it was auchelly 4/5

 May 25, 2021
 #3
avatar+32654 
+1

THen you should check the points  you posted in your question, because 4/5 is incorrect ....

  Here is a graph:

https://www.desmos.com/calculator/uhmyrqcqxa

ElectricPavlov  May 26, 2021
 #4
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The correct answer is 4/7.

 May 26, 2021
 #5
avatar+32654 
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Nope....that is incorrect too....   look at my graph.....   did you enter the points correctly ???????????

ElectricPavlov  May 26, 2021

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