Can someone please help me I'm not very good at calculating slope for some reason no matter how hard I try and this equation I've tried a million different equations for it and it hasn't worked I think I'm missing something on both of them please help I will give points

Can someone please help me Im not very good at calculating slope for some reason no matter how hard I try and this equation Ive tried a million different equati class=
Can someone please help me Im not very good at calculating slope for some reason no matter how hard I try and this equation Ive tried a million different equati class=