Obliczenia :
[tex]y=ax+b\\\\f(8)=-2 \ i \ f(-2)=3\\\\\{8a+b=-2\\\{-2a+b=3\\\\\{8a+b=-2\\+\{2a-b=-3\\--------\\\\10a=-5\\\\a=-0,5\\\\8\cdot(-0,5)+b=-2\\\\-4+b=-2\\\\b=2\\\\\huge\boxed{y=-0,5x+2}[/tex]
