9514 1404 393
Answer:
y = -2x +1
Step-by-step explanation:
It is often convenient to start with a 2-point form of the equation for a line:
y = (y2 -y1)/(x2 -x1)(x -x1) +y1
y = (-1-9)/(1-(-4))(x -(-4)) +9 . . . . fill in the given points
y = -10/5(x +4) +9 . . . simplify a bit
y = -2x +1
