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Answer:

Explanation:
The two marked points are 3 units apart horizontally and 2 units apart vertically. The right point is above the left point, so the slope is positive.
m = rise/run = 2/3
The line crosses the y-axis at y = -1, so the y-intercept is ...
b = -1
The equation of the line in slope-intercept form is ...
y = mx + b
y = (2/3)x -1