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The coordinates of point E are (−9, −5)  and the coordinates of point F are (−2, −1) . 

What is the slope of the line that is perpendicular to  EF¯¯¯¯¯?

 

Enter your answer as a simplified fraction in the box.

 
sii1lver  Jan 7, 2018

Best Answer 

 #1
avatar+5888 
+1

slope of  EF   =   difference in  y  values / difference in  x  values

 

slope of  EF   =   [ -1 - -5 ] / [ -2 - -9 ]

 

slope of  EF   =   4 / 7

 

slope of a line perpendicular to  EF   =   - 7 / 4

 
hectictar  Jan 7, 2018
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1+0 Answers

 #1
avatar+5888 
+1
Best Answer

slope of  EF   =   difference in  y  values / difference in  x  values

 

slope of  EF   =   [ -1 - -5 ] / [ -2 - -9 ]

 

slope of  EF   =   4 / 7

 

slope of a line perpendicular to  EF   =   - 7 / 4

 
hectictar  Jan 7, 2018

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