Question 419942

 {{{Y=(1/7)x}}} 



   A. (-7, -1) 

{{{-1=(1/7)(-7)}}} 

{{{-1=(1/cross(7))(-cross(7))}}}

{{{-1=-1)}}}.........apply...




   B. (7, 5) 

{{{5=(1/7)(7)}}}

{{{5=(1/cross(7))(cross(7))}}}

{{{5=1)}}}.........doesn't apply....


   C. (1, 7) 

{{{7=(1/7)(1)}}} 

{{{7=1/7}}}........doesn't apply....



   D. (14, 2) 

{{{2=(1/7)(14)}}}

{{{2=(1/cross(7))(cross(14)2)}}}

{{{2=2)}}}.........apply....


   E. (21, 3) 

{{{3=(1/7)(21)}}}

{{{3=(1/cross(7))(cross(21)3)}}}

{{{3=3)}}}.........apply....


   F. (4, 14) 


{{{14=(1/7)(4)}}}

{{{14=4/7}}}.......doesn't apply....