Answer :
1.
[tex]m=7\\ b=-1\\\\ y=7x-1 [/tex]
2.
[tex]y-y_1=m(x-x_1)\\ y_1=-5\\ x_1=1\\ m=3\\\\ y-(-5)=3(x-1)\\ y+5=3(x-1)[/tex]
[tex]m=7\\ b=-1\\\\ y=7x-1 [/tex]
2.
[tex]y-y_1=m(x-x_1)\\ y_1=-5\\ x_1=1\\ m=3\\\\ y-(-5)=3(x-1)\\ y+5=3(x-1)[/tex]