Ответ:
y=kx+b
-5=4k+b
-1=-6k+b
-4=10k
k=-4/10 = -2/5
к=-1-(-5)/-6-4=4/-10=-0,4
у2-у1/х2-х1=к
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Ответ:
y=kx+b
-5=4k+b
-1=-6k+b
-4=10k
k=-4/10 = -2/5
к=-1-(-5)/-6-4=4/-10=-0,4
у2-у1/х2-х1=к