Question

what point does this line pass through, which is the basis of this equation y-3=3(x+1) is the answer (-1,3)

Answer 1

yep, you got it right.

Answer 2

y -y1 = m(x-x1)
y - 3 = 3(x+1)
(-1,3) is a point on the line in which it passes through

Answer 3

thank you I was unsure