First, let's write these information asana equation of the line:
y = mx + n
y = -1/6x + 1
Obs: when the slope is negative, the line is decrescent.
Knowing that, when X = 0, Y = 1, look:
Now, let's find the value of X when Y = 0:
So, when x = 6, y = 0.
Now, let's draw the graph passing through these two points: