y = kx
A ( 2 ; 1 ) :
2k = 1
k = 1 ÷ 2
k = 0,5
y = 0,5x
B ( - 4 ; m ) :
m = 0,5 × ( - 4 )
m = - 2
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Verified answer
y = kx
A ( 2 ; 1 ) :
2k = 1
k = 1 ÷ 2
k = 0,5
y = 0,5x
B ( - 4 ; m ) :
m = 0,5 × ( - 4 )
m = - 2