Y = KX + B
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3 = 4K + B
5 = - 2K + B
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3 = 4K + B
- 5 = 2K - B
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- 2 = 6K
K = - 1/3
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3 = 4K + B
3 = - 4/3 + B
B = 3 + 4/3 = 3 + 1 ( 1/3 ) = 4 ( 1/3 )
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Ответ Y = - 1/3X + 4 ( 1/3 )