HI Ive been working on these for days please help I know slope formula and I've tried tons of different equations for the other equations and for the graph equation its not -4/3 I already tried just please help

HI Ive been working on these for days please help I know slope formula and Ive tried tons of different equations for the other equations and for the graph equat class=
HI Ive been working on these for days please help I know slope formula and Ive tried tons of different equations for the other equations and for the graph equat class=
HI Ive been working on these for days please help I know slope formula and Ive tried tons of different equations for the other equations and for the graph equat class=