Which of the following is an equation of the line, in point slope form, that passes through the points (9,1) and (4,16)?

Answer:
y=-3x+28
Step-by-step explanation:
m=(y2-y1)/(x2-x1)
m=(16-1)/(4-9)
m=15/-5
m=-3
y-y1=m(x-x1)
y-1=-3(x-9)
y-1=-3x+27
y=-3x+27+1
y=-3x+28