Respuesta :

[tex]The\ slope-intercept\ form:y=mx+b\\\\y-intercept\ is\ 2\ then\ y=mx+2\\\\The\ point\ (1;\ 1)\to substitute\ x=1\ and\ y=1:\\\\m\cdot1+2=1\\m+2=1\\m=1-2\\m=-1\\\\Finish:y=-1x+2\to y=-x+2\\\\General\ form:x+y-2=0[/tex]