Interval Notation and Inequalities
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Lesson Description:
Learn how to solve inequalities and write the solution in interval notation.
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Questions answered by this video:
- What is interval notation?
- How do you graph x >= 1?
- How do you write x >= 1 in interval notation?
- How do you graph and write x > -2 in interval notation?
- How do you know when to use parentheses and when to use brackets in interval notation?
- How do you graph and write x < 3 in interval notation?
- How do you graph and write -1 < x <= 3 in interval notation?
- How do you graph and write interval notation for x < a, x > a, x <=a, x >=a, a < x < b, a <= x <= b, a < x <= b, and a <= x < b?
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Staff Review
This lesson goes through the concept of interval notation, showing several examples including explanations of when to use parentheses, brackets, and infinity. This is a very important lesson for high school as well as college students who are learning interval notation.
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