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Activity
Washington State University

Washington State University: Slope Intercept, Point Slope Forms

For Students 9th - 10th Standards
Washington State University provides a lesson on finding the slope of an equation and putting the equation into the desired form. The site also contains informatinon concerning parallel and perpendicular lines.
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Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Beginning Algebra: Graphing Linear Equations

For Students 9th - 10th Standards
A tutorial on graphing lines. The site discusses how to determine if an equation is linear and gives step-by-step examples of how to graph a line given its algebraic form.