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Writing Linear Equations in Point-Slope Form

Writing Linear Equations in Point-Slope Form 1.3 - Solution

arrow_back Return to Writing Linear Equations in Point-Slope Form
a
Let's start by recalling the general form of an equation in point-slope form.

Here, is the slope and is a point on the line. Thus, to write the equation for the line given by the graph, we must find the slope.

From the graph we can see that two points on the line are and To find the slope of the line, we can determine the rise and run between these points.

We can see that, from to we move units to the right and units up. We can now write the equation in point-slope form. We will substitute the slope and either one of the points into the equation. We will arbitrarily choose the point

b
To write the equation in point-slope form, we must find the slope. Thus, let's identify two points on the line.

From the graph, we can see that two points on the line are and To determine the slope, we'll find the rise and run between the tow points.

We can see that, from to we move units to the right and units up. We can now write the equation in point-slope form. We will substitute the slope and either one of the points into the general point-slope form.