Answer:
y = 3x +1
Step-by-step explanation:
The line intersects the y-axis at y=1, so the y-intercept is ...
b = 1
The line rises 3 grid squares for each 1 grid square to the right, so the slope is ...
m = rise/run = 3/1 = 3
Then the slope-intercept equation of the line is ...
y = mx +b
y = 3x +1
