Sprawdz , czy proste k i l sa rownolegle , jesli :
k: 4x+0.5y-⅔=0
l: 2x-¼y+⅓=0
k: 4x+0.5y-⅔=0l: 2x-¼y+⅓=0
2x-¼y+⅓=0
-1/4y = -2x - 1/3 /: (-1/4)
y = 8x + 4/3
4x+0.5y-⅔=0
0,5y = 2/3 - 4x /: 1/2
y = 4/3 - 8x
y = -8x + 4/3
Proste k i l nie sa równoległe
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k: 4x+0.5y-⅔=0
l: 2x-¼y+⅓=0
2x-¼y+⅓=0
-1/4y = -2x - 1/3 /: (-1/4)
y = 8x + 4/3
4x+0.5y-⅔=0
0,5y = 2/3 - 4x /: 1/2
y = 4/3 - 8x
y = -8x + 4/3
Proste k i l nie sa równoległe