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Ch. R - Algebra Review
Lial - Trigonometry 12th Edition
Lial12th EditionTrigonometryISBN: 9780136552161, 9780135440780, 9780136881117, 9780135440827, 9780135924891Non è quello che usi tu?Cambia libro di testo
Capitolo 1, Problema 6

CONCEPT PREVIEW Fill in the blank(s) to correctly complete each sentence. The numerical coefficient in the term -7yz² is ___________.

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1
Identify the term given: \(-7yz^{2}\).
Recall that the numerical coefficient is the constant number multiplying the variables in a term.
In the term \(-7yz^{2}\), the variables are \(y\) and \(z^{2}\), and the number multiplying them is \(-7\).
Therefore, the numerical coefficient is the number part without the variables, which is \(-7\).
So, the blank should be filled with \(-7\).

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Concetti chiave

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Numerical Coefficient

The numerical coefficient is the constant number multiplied by the variables in a term. It represents the scalar factor without any variables or exponents. For example, in -7yz², the numerical coefficient is -7.
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Algebraic Terms and Variables

An algebraic term consists of a numerical coefficient and one or more variables raised to powers. Variables represent unknowns or quantities that can change, and their exponents indicate repeated multiplication.
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Identifying Components of a Term

To identify parts of a term, separate the numerical coefficient from the variables and their exponents. This helps in simplifying expressions and solving equations by clearly understanding each component's role.
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