Elementary Algebra Review Part 30
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Lesson Summary:
In this lesson, the concept of solving and graphing simple and compound inequalities on a number line is covered. The instructor explains how to properly identify inequality symbols and how to incorporate bars for equals. The lesson also covers how to solve inequalities and graph the solution set on a number line. The instructor emphasizes the importance of checking solutions and how to properly interpret inequality symbols when multiplying or dividing by negative numbers.
Lesson Description:
Solving and graphing simple and compound 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 simple and complex inequalities on a number line?
- How do you graph x > -4 on a number line?
- How can you check to make sure that you graphed an inequality correctly?
- How do you graph x<= 3 on a number line?
- How do you graph 2 >= x on a number line?
- How do you graph -2 <= x < 0 on a number line?
- How do you solve and graph x - 4 <= -1 on a number line?
- How do you solve and graph 5x > -10 on a number line?
- How do you solve and graph -2x < 8 on a number line?
- How do you solve an inequality if the coefficient of x is negative?
- When do you flip the sign on an inequality?
- What happens when you divide an inequality by a negative number?
- How can you draw and label a number line?
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Staff Review
This video explains how to solve and graph inequalities on a number line. All steps involved with solving and graphing are explained clearly. This is a great tutorial for beginning students as well as for review.
