Summary

• In this tutorial, you’ll be graphing the tangent line to a curve. The steps in the tutorial include:– Creating a Graph Window– Graphing a Curve– Adding a Tangent Line

Create a New Document

Insert a Graph Window

Graph a Function

Graph a Function

Input the equation for the function. In this case a parabola, but this will work with any function.

Graph a Function

After pressing Enter, you’ll see the graph of the function.

Find the Tangent

Access the Tangent line tool: Menu > Geometry > Points & Lines > Tangent.

Find the Tangent

Move the cursor over the graph of the function.

Find the Tangent

Click once on the graph to see the equation of the tangent line at that point.

Find the Tangent

Click again to place the point on the graph. You’ll see the equation of the tangent line.

Find the Tangent

Move the point to different locations along the graph. You’ll see the equation change.