Odpowiedź:
A = (0 , 1 ) , B = (2 , 4 )
xa = 0 , xb = 2 , ya = 1 , yb = 4
(xb - xa)(y - ya) = (yb - ya)(x - xa)
(2 - 0)(y - 1) = (4 - 1)(x - 0)
2(y - 1) = 3x
2y - 2 = 3x
2y = 3x + 2
y = (3/2)x + 2/2
y = 1,5x + 1
Odp: 2.
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Odpowiedź:
A = (0 , 1 ) , B = (2 , 4 )
xa = 0 , xb = 2 , ya = 1 , yb = 4
(xb - xa)(y - ya) = (yb - ya)(x - xa)
(2 - 0)(y - 1) = (4 - 1)(x - 0)
2(y - 1) = 3x
2y - 2 = 3x
2y = 3x + 2
y = (3/2)x + 2/2
y = 1,5x + 1
Odp: 2.