This site from the University of North Caroline at Wilmington provides great information on the lines in a plane. The information that is given is in-depth and complete, touching on the slope of a line, equations of lines, and linear models. This is definitely a site worth checking out on the subject. [Requires Java.]

Concepts

lines, parallel lines, perpendicular lines, point-slope form, slope formula, vertical lines

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Additional Tags

equations of lines, horizontal lines, linear models, slope of a line, lines in the plane, steepness of the line

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Classroom Considerations

• Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)
• The intended use for this resource is Instructional|practice

• This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information

Common Core

HSG-GPE.B.5