Inequalities Part 4
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Lesson Description:
Solving and Graphing Linear Inequalities on a number line
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Questions answered by this video:
- How do you solve and graph linear inequalities on a number line?
- How do you solve and graph 7x - 4 < 3x?
- When do you have to flip an inequality sign?
- How do you solve an inequality for a variable when the coefficient of the variable is negative?
- How do you know when to draw an open or a closed circle on your starting point when graphing an inequality on a number line?
- How do you solve and graph an inequality with a bunch of terms like 15 - 5(3 - 2x) >= 4(x - 3)?
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Staff Review
This lesson shows more example problems of solving linear inequalities, graphing them on a number line, and checking your solution. A couple of methods of solving are shown for the first problem.
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