+0  
 
0
778
2
avatar+52 

\((8,5) (-2,11)\)

 Nov 2, 2016
 #1
avatar+129899 
+5

(8,5) (-2,11)

 

Subtract the y co-oordinates in any order    11 - 5  = 6

 

Subtract the x coordinates in the same order     -2 - 8  = -10

 

Put the first result over the second and simplify      6 / -10   =   -3 / 5        and that's the slope

 

 

 

 

cool cool cool

 Nov 2, 2016
 #2
avatar+52 
0

Oh, thanks! smiley

Nibbler  Nov 4, 2016

1 Online Users