A=(0;1)
B=(-3;2)
POSTAĆ OGÓLNA
y=ax+b
1=a×0+b
2=-3a+b
b=1
2=-3a+1
3a=1-2
a=-⅓
............
wzór:
y=-⅓x+1
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A=(0;1)
B=(-3;2)
POSTAĆ OGÓLNA
y=ax+b
1=a×0+b
2=-3a+b
b=1
2=-3a+1
b=1
3a=1-2
b=1
a=-⅓
............
wzór:
y=-⅓x+1