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Chapter 5: Problem 33

Find the degree of each polynomial. See Example \(1 .\) $$ 3 x^{4} $$

Short Answer

Expert verified
The degree of the polynomial \(3x^4\) is 4.

Step by step solution

01

Identify the Polynomial

First, identify the given polynomial, which is \(3x^4\).
02

Determine the Highest Degree Term

In a polynomial, the degree is defined by the highest power of the variable in the expression. The highest power of \(x\) in \(3x^4\) is \(4\).
03

Conclusion on Degree of Polynomial

Since the highest power of \(x\) in the polynomial \(3x^4\) is \(4\), the degree of the polynomial is \(4\).

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Polynomials
Polynomials are important mathematical expressions used in algebra, involving sums of powers of variables. They can have one or more terms. Each term in a polynomial is usually made up of a coefficient (a number) and a variable raised to a power. For example, in the polynomial \(3x^4\), the term \(3x^4\) is made up of a coefficient (3) and a variable \(x\) raised to the fourth power.
Polynomials are often classified based on their number of terms:
  • Monomial: An expression with one term, like \(5x^2\) or \(-7\).
  • Binomial: Consists of two terms, such as \(x + 1\) or \(5x^2 - 3\).
  • Trinomial: Involves three terms, for instance, \(x^2 + 2x + 1\).
Understanding the structure of polynomials is crucial in algebra as they are used throughout various levels of mathematics, from solving equations to more complex calculus problems.
Algebra
Algebra is a major branch of mathematics focusing on symbols and rules for manipulating those symbols. It's essential for solving equations and understanding mathematical relationships. In algebra, variables (often represented by letters like \(x\) or \(y\)) are used to stand in for unknown values.
In algebraic expressions like \(3x^4\), you use operations like addition, subtraction, multiplication, and division on variables and numbers, called coefficients.
Algebra is not only about finding the values of variables. It helps in understanding concepts such as:
  • Finding Patterns: By using algebra, you can find and describe patterns and relationships between numbers.
  • Modeling Situations: Algebraic expressions and equations can model real-world situations, so you can predict future outcomes.
  • Developing Concepts: Areas like functions and graphs, which are built on algebra, allow you to visualize mathematical relationships.
Algebraic understanding fosters critical thinking and problem-solving skills.
Mathematical Expressions
A mathematical expression is a combination of numbers, variables, and operations. Unlike an equation, which states that two expressions are equal, expressions do not have an equality sign. For example, \(3x^4\) is an expression, not an equation.
When dealing with expressions, here's what to consider:
  • Terms: Components of an expression separated by addition or subtraction. In \(3x^4\), there is only one term.
  • Coefficients: The numeric part of a term that multiplies the variable. In \(3x^4\), the coefficient is 3.
  • Constants: Numbers on their own without variables, which stay the same, such as a 5 in \(x + 5\).
  • Like Terms: Terms whose variables (and their exponents) are the same, allowing them to be added or subtracted together.
By simplifying expressions, you can make them easier to understand or use in further calculations. Mastery of mathematical expressions enables better handling of complex equations and problem-solving in mathematics.

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Most popular questions from this chapter

Perform each division. $$ \left(x^{2}+10 x+30\right) \div(x+6) $$

When dividing \(x^{3}+1\) by \(x+1,\) why is it helpful to write \(x^{3}+1\) as \(x^{3}+0 x^{2}+0 x+1 ?\)

What polynomial must be added to \(2 x^{2}-x+3\) so that the \(\operatorname{sum}\) is \(6 x^{2}-7 x-8 ?\)

Perform each division $$ \frac{6 x^{6 m} y^{6 n}+15 x^{4 m} y^{7 n}-24 x^{2 m} y^{8 n}}{3 x^{2 m} y^{n}} $$

Perform the operations. $$ (f-8)^{2} $$
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