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Verified answer
A)(i) garis Q melalui ( -2 , 0 ) dan ( 2, 4 )
mQ = ( 0 - 4 )/( -2 - 2) = -4/-4 = 1
(ii) garis P melalui ( 3, 0) dan ( -3 , 3)
mP = ( 0 - 3 )/(3 - (-3))
= -3/6
= -½