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avatar+403 

A line passes through the points $A,$ $B,$ and $C.$ Find $y.$

 

A = (0,0), B = (3,4), C = (7,y)

 Mar 23, 2024
 #1
avatar+128794 
+1

Slope between AB  = Slope between AC

 

AB slope =  [ 4 - 0 ] / [ 3 - 0 ]  =  4/3

 

AC slope  =  [ y - 0 ] / [ 7 - 0 ] = 4/3

 

y / [ 7 ] = 4/3

 

y   =  7 (4/3)

 

y  =  28/3

 

 

cool cool cool

 Mar 23, 2024

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