Table of contents
- 0. Review of Algebra4h 16m
- 1. Equations & Inequalities3h 18m
- 2. Graphs of Equations43m
- 3. Functions2h 17m
- 4. Polynomial Functions1h 44m
- 5. Rational Functions1h 23m
- 6. Exponential & Logarithmic Functions2h 28m
- 7. Systems of Equations & Matrices4h 6m
- 8. Conic Sections2h 23m
- 9. Sequences, Series, & Induction1h 19m
- 10. Combinatorics & Probability1h 45m
1. Equations & Inequalities
Linear Inequalities
2:34 minutes
Problem 17b
Textbook Question
Textbook QuestionSolve each inequality. Give the solution set in interval notation. See Examples 1 and 2. 3(x+5)+1≥5+3x
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Inequalities
Inequalities are mathematical statements that express the relationship between two expressions that are not necessarily equal. They use symbols such as '≥' (greater than or equal to), '≤' (less than or equal to), '>' (greater than), and '<' (less than). Solving inequalities involves finding the values of the variable that make the inequality true.
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Interval Notation
Interval notation is a way of representing a set of numbers between two endpoints. It uses brackets [ ] to include endpoints and parentheses ( ) to exclude them. For example, the interval [2, 5) includes 2 and all numbers up to but not including 5. This notation is particularly useful for expressing the solution sets of inequalities.
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Algebraic Manipulation
Algebraic manipulation involves applying various algebraic techniques to simplify or solve equations and inequalities. This includes operations such as distributing, combining like terms, and isolating the variable. Mastery of these techniques is essential for effectively solving inequalities and understanding their solutions.
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