Answer:
y = 9x - 5
Step-by-step explanation:
The slope is already given, so we just need to find the y-intercept.
Plug in 9 for m, 1 for x, and 4 for y in the equation y = mx + b.
4 = 9(1) + b
b = -5
Now that we know the y-intercept, we can construct the equation of the line.
y = 9x - 5
