Step-by-step explanation:
The answer is option b.
Explanation in the pic.
Need any other maths, feel free!!
2.333p=c
i am not sure really what you want but
Y-y1=m(x-x1) for slope=m
point is (x1,y1)
pont s (7,4)
slope is 6
x1=7
y1=4
y-4=6(x-7)
2nd one is correct answer