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
2:03 minutes
Problem 28a
Textbook Question
Textbook QuestionSolve each inequality. Give the solution set in interval notation. | 3x - 4 | < 2
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Absolute Value Inequalities
Absolute value inequalities involve expressions that measure the distance of a number from zero on the number line. The inequality |A| < B means that the expression A lies within the interval (-B, B). Understanding how to interpret and solve these inequalities is crucial for finding the solution set.
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Interval Notation
Interval notation is a mathematical notation used to represent a range of values. It uses parentheses and brackets to indicate whether endpoints are included (closed interval) or excluded (open interval). For example, the interval (a, b) includes all numbers between a and b, but not a and b themselves.
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Solving Linear Inequalities
Solving linear inequalities involves finding the values of the variable that satisfy the inequality. This process often includes isolating the variable on one side and may require reversing the inequality sign when multiplying or dividing by a negative number. Mastery of this concept is essential for accurately determining the solution set.
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