Odpowiedź:
A = ( - 8, - 41 ) B = ( 1, - 5)
więc
a = [tex]\frac{- 5 - (-41)}{1 - (-8)} = \frac{36}{9} = 4[/tex]
y = a x + b = 4 x + b i B = ( 1, - 5)
zatem
- 5 = 4*1 + b
- 5 - 4 = b
b = - 9
Odp. y = 4 x - 9
=================
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Odpowiedź:
A = ( - 8, - 41 ) B = ( 1, - 5)
więc
a = [tex]\frac{- 5 - (-41)}{1 - (-8)} = \frac{36}{9} = 4[/tex]
y = a x + b = 4 x + b i B = ( 1, - 5)
zatem
- 5 = 4*1 + b
- 5 - 4 = b
b = - 9
Odp. y = 4 x - 9
=================
Szczegółowe wyjaśnienie: