Question 486664
the slope {{{m=(y[2]-y[1])/(x[2]-x[1])}}}
Points (5,7) ({{{4/7}}}, -1)
Substitute into the formula {{{x[1]=5}}}, {{{y[1]=7}}}, {{{x[2]=4/7}}}, {{{y[2]=-1}}}
{{{m=(-1-7)/(4/7-5)=-8/(-31/7)=8*(7/31)=56/31}}}