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We can write the point-slope form of the line by using the given point and slope. $y−y_{1}=m(x−x_{1}) $ In this format, $m$ represents the slope and the point $(x_{1},y_{1})$ lies on the graph of the line. We are given the point $(1,1.5)$ and the slope $3.$ We have everything we need to create a point-slope form equation. $y−1.5=3(x−1)$

b

To graph the line, we will first plot the given point $(1,1.5)$ in a coordinate plane.

Then, we will use the slope $3$ to move one step to the right and $3$ steps up to find another point. By connecting these points, we get the graph of the equation.