Answer:
c.
Step0-by-step explanation:
you can plug both points into the equations
or you can just write it out using the point slope equation y-y₁=m(x-x₁)
plug in (5,1)
y₁=1 x₁=5
slope is difference of y/difference of x
m=(7-1)/(4-5)=-6
plug in to y-y₁=m(x-x₁) and you get
y - 1 = -6(x-5)