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A line goes through point , point  and point . What is the value of ?

 Jan 5, 2022
 #2
avatar+22576 
+1

The slope from A to B must equal the slope from B to C.

 

(k - 1) / (19 - 9)  =  (0 - k) / (7 - 19)

        (k - 1) / 10  =  -k / -12

         -12k + 12  =  -10K

                     12  =  2k

                       6  =  k 

 Jan 5, 2022

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