+0  
 
0
128
4
avatar+4676 

Help please 

am i right?

 Aug 27, 2018
 #1
avatar+98141 
+2

Note....NSS....when  the y coordinates are the same....the slope has to  be 0.....because both points lie  - in this case  - on the line   y  = 2...this is a horizontal line....and a horizontal line always has a slope  = 0

 

 

Does that make sense???....if not....we  can prove it mathematically, if you want

 

 

 

cool cool cool

 Aug 27, 2018
 #2
avatar+4676 
+2

So it's 0? It makes sense yes, could you explain more 

NotSoSmart  Aug 27, 2018
 #3
avatar+98141 
+2

OK....look at the slope

 

[ Subtract the y coordinates in some order ] / [ Subtract the x coordinates in the same order ] =

 

[2 - 2 ] / [ 5 - 1 ] =    0  / 4     =   0

 

See???

 

cool cool cool

CPhill  Aug 27, 2018
 #4
avatar+4676 
+2

Ohh yes i do!! thanks so much for that

NotSoSmart  Aug 27, 2018

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