Table of contents
- 0. Review of College Algebra4h 43m
- 1. Measuring Angles39m
- 2. Trigonometric Functions on Right Triangles2h 5m
- 3. Unit Circle1h 19m
- 4. Graphing Trigonometric Functions1h 19m
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations1h 41m
- 6. Trigonometric Identities and More Equations2h 34m
- 7. Non-Right Triangles1h 38m
- 8. Vectors2h 25m
- 9. Polar Equations2h 5m
- 10. Parametric Equations1h 6m
- 11. Graphing Complex Numbers1h 7m
0. Review of College Algebra
Solving Linear Equations
2:49 minutes
Problem 43b
Textbook Question
Textbook QuestionFind each product or quotient where possible. See Example 2. -3⁄8 ( -24⁄9 )
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Multiplication of Fractions
To multiply fractions, you multiply the numerators together and the denominators together. For example, when multiplying -3/8 by -24/9, you calculate (-3 * -24) for the numerator and (8 * 9) for the denominator, resulting in a new fraction that can be simplified if necessary.
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Simplifying Fractions
Simplifying fractions involves reducing them to their lowest terms by dividing both the numerator and the denominator by their greatest common divisor (GCD). For instance, if the product of the fractions results in a fraction like 72/72, it can be simplified to 1, as both the numerator and denominator are equal.
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Negative Numbers in Multiplication
When multiplying two negative numbers, the result is positive. This is crucial in the given problem, as both -3/8 and -24/9 are negative. Thus, their product will be positive, which is an important aspect to remember when performing operations with negative fractions.
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