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
1:04 minutes
Problem 6b
Textbook Question
Textbook QuestionCONCEPT PREVIEW Fill in the blank(s) to correctly complete each sentence. The numerical coefficient in the term -7yz² is ___________.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Numerical Coefficient
A numerical coefficient is a constant factor that multiplies a variable in an algebraic expression. In the term -7yz², the coefficient is the number that is directly in front of the variables, which indicates how many times the variable is scaled. It is important to recognize that the coefficient can be positive or negative, affecting the overall value of the term.
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Algebraic Terms
Algebraic terms are the building blocks of algebraic expressions, consisting of numbers, variables, or a combination of both. Each term is separated by a plus or minus sign. Understanding how to identify and manipulate these terms is crucial for solving equations and simplifying expressions in algebra.
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Variables in Algebra
Variables are symbols used to represent unknown values in mathematical expressions and equations. In the term -7yz², 'y' and 'z' are variables that can take on different values, influencing the overall expression. Recognizing the role of variables is essential for understanding how they interact with coefficients and other terms in algebra.
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