Bayangan titik (-3,7) jika dicerminkan terhadap garis 2x-y+3=0 adalah....
ririnsyafitri
Dik : x= -3 , y=7 , peny = 2x-y+3 =0 --> 2(-3) - 7+ ...=0 --> -6-7 + ...=0 --> -13 + 13.=0 jadi jawabannya 2x-y+13 = 0
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