two points on the graph of a linear function are (-3,5) and (-1,4). Determine the equation of the function in slop-point form.

ans:
m=-1/2
I pick a point (-1,4)

y-y1=m(x-x1)
y-4=-1/2(x-(-1))
y-4=-1/2(x+1)

Thank you ^^