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Answer:
y = -1/3x -1
Step-by-step explanation:
The line has a run of 3 units (to the right) for each rise of -1 unit. The slope is ...
m = rise/run = -1/3
The y-intercept is the marked point on the y-axis: b = -1.
Then the slope-intercept equation is ...
y = mx +b . . . . . . . slope m, y-intercept b
y = -1/3x -1
