5.Znajdź odległość punktu A=(2,-3) do prostej y=-2x-7
y = - 2x - 7
2x + y + 7 = 0
A = 2, B = 1, C = 7
Podstawiam do wzoru na odległość:
d =
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y = - 2x - 7
2x + y + 7 = 0
A = 2, B = 1, C = 7
Podstawiam do wzoru na odległość:
d =