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Recognizing Linear Functions

Recognizing Linear Functions 1.5 - Solution

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a

Let's start by marking the points in a coordinate plane.

Now we need to draw a line that goes through both points. We need to keep in mind that the line should continue before and after the points.

b

Now that we have the line drawn we can find its rate of change by determining the change in and change in

The rate of change of the line can be determined by dividing the by In the graph we can see that and
Thus, the line's rate of change is