Other
Git: What Is the Slope Intercept Form of a Line?
Not only does this site show what the slope-intercept form is, but it helps you find the slope and the intercept of a line. There is also additional information on parallel lines, parametric form, and the distance between two points.
Texas Instruments
Texas Instruments: Graphic Line Designs
Students can use the x- and y-intercepts to find the equations of lines and create a line design using the slope-intercept form and the limited domain of the segment.
Math Graphs
Houghton Mifflin: Math Graphs: Slope of a Tangent Line 15 [Pdf]
The practice problem compares finding the slope of the tangent line graphically and analytically. The handout is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Slope of a Tangent Line 16 [Pdf]
The practice problem compares finding the slope of the tangent line graphically and analytically. The handout is available in PDF format.