*Whoever answers all of this correctly will be marked as brainliest*(Explanation not required)
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Ах+ву+с=0; В(-2;4);О(0;0)
-2а+4в+с=0
0а+0в+с=0,вычтем из первого второе,получим:
-2а+4в=0;
-2а=-4в;
а=2в,подставим в в уравнение,где а=2в;с=0,
2вх+4ву+0=0;разделим на в,
2х+4у=0-уравнение прямой
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