Answer
the line becomes more vertical
Work Step by Step
The red graph is the graph of $
y=\dfrac{1}{2}x+1
.$
The blue graph is the graph of $
y=x+1
.$
The green graph is the graph of $
y=2x+1
.$
As the slope increases, (from $1/2$ to $1$ to $2$) the line becomes more vertical.