is where the line crosses the -axis, and tells you how to move from there.
Work through it
Graph .
Start at .
Slope 2 means up 2, right 1.
Next point: .
Write the line with slope and y-intercept 2.
Watch out for this
In , the line crosses the y-axis at 2.
The crossing is . The 2 is the slope.
Your turn
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