Graphing systems of linear inequalities 2
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Lesson Summary:
In this lesson, Naomi provides guidance on graphing systems of linear inequalities on the same coordinate grid. She shows how to graph the first two inequalities given in standard form using x, y intercepts, and explains how to shade in one direction. The video then progresses to her explaining how to graph x is greater than or equal to zero and y is greater than or equal to zero inequalities by creating vertical and horizontal lines respectively. Finally, Naomi demonstrates how to shade the overlapping areas of all four inequalities to determine their values.
Lesson Description:
More practice with graphing systems of linear inequalities on the same graph.
Additional Resources:
- Interactive Graph Paper Tool - I used Ian Vogt's graphing website to create the graph in this vid. :)
Questions answered by this video:
- How do you graph systems of linear inequalities?
- How do you find and shade the solution to a system of inequalities?
- How do you graph and shade x + 3y <= 9, 3x +y <= 9, x >= 0, and y >= 0 all on the same coordinate plane?
- How do you find and use intercepts to graph an inequality in standard form?
- How do you know which side of a linear inequality to shade?
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Staff Review
This video shows how to graph 4 different linear inequalities on the same graph and find where all of the shadings intersect. All steps for graphing and shading each equation are shown. If you are trying to learn how to graph and shade multiple inequalities and find the intersection, check out this video as well as the interactive graphing tool.
