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(1,1) (1,9) finding slope but the answer is not 0 can anyone help ASAP

 Nov 24, 2020
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When the  x  values are the same.....the slope is undefined....to see why this is so......

 

slope  = [ 9 - 1 ]  / [ 1 - 1 ] =    8 / 0

 

But  we can't divide  by 0, so this slope is undefined  !!!

 

cool cool cool

 Nov 24, 2020

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