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
0. Review of Algebra
Radical Expressions
1:42 minutes
Problem 72a
Textbook Question
Textbook QuestionSimplify by reducing the index of the radical : [y^3]^(1/6)
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Radical Expressions
Radical expressions involve roots, such as square roots or cube roots, represented by the radical symbol (√). The index of a radical indicates the degree of the root; for example, a square root has an index of 2, while a cube root has an index of 3. Understanding how to manipulate these expressions is crucial for simplification.
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Exponents and Fractional Powers
Exponents represent repeated multiplication, and fractional exponents indicate roots. For instance, an exponent of 1/6 means taking the sixth root of a number. This concept is essential for simplifying radical expressions, as it allows us to rewrite radicals in exponential form, making calculations easier.
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Simplifying Radicals
Simplifying radicals involves reducing the expression to its simplest form by factoring out perfect squares or cubes. This process often includes rewriting the radical in terms of its prime factors and applying the properties of exponents to reduce the index. Mastery of this concept is key to effectively simplifying expressions like [y^3]^(1/6).
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