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Questions and Answers
What is a monomial expression?
What is a monomial expression?
- Has two terms
- Has one term (correct)
- Has no terms
- Has three terms
Give an example of a monomial expression.
Give an example of a monomial expression.
x, 3, 6x
What is a binomial expression?
What is a binomial expression?
- Has two unlike terms combined by an addition or subtraction sign (correct)
- Has three terms
- Has one term
- Has two like terms
Provide examples of binomial expressions.
Provide examples of binomial expressions.
What defines a trinomial expression?
What defines a trinomial expression?
Give examples of trinomial expressions.
Give examples of trinomial expressions.
What is a polynomial expression?
What is a polynomial expression?
Provide examples of polynomial expressions.
Provide examples of polynomial expressions.
Binomials and trinomials are polynomial expressions.
Binomials and trinomials are polynomial expressions.
What is a variable?
What is a variable?
Where can a variable be a part of?
Where can a variable be a part of?
What is a term in mathematics?
What is a term in mathematics?
How is an expression defined in mathematics?
How is an expression defined in mathematics?
What is an example of a mathematical expression?
What is an example of a mathematical expression?
How are mathematical expressions named?
How are mathematical expressions named?
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Study Notes
Monomial Expression
- Defined as an expression with one term.
- Examples include: x, 3, and 6x.
Binomial Expression
- Comprises two unlike terms joined by addition or subtraction.
- Examples include: x + 3, a - 4, and x + y.
Trinomial Expression
- Consists of three unlike terms combined by addition or subtraction.
- Examples include: x + y - 3, 2x - 3y + 7, and 4a - 5b + 6c.
Polynomial Expression
- Contains two or more unlike terms combined by addition or subtraction.
- Examples include: x + y + z - 4 and 2a + 3b + 4c + 2.
Relationship Between Binomials, Trinomials, and Polynomials
- Both binomials (2 terms) and trinomials (3 terms) fall under the category of polynomial expressions.
Variable
- A letter used to represent a number in mathematical expressions.
Variable Usage
- Can be part of an expression, equation, or inequality.
Term
- Represents a single mathematical expression or component within a larger math context.
Expression
- A mathematical representation similar to a phrase in a sentence.
Examples of Mathematical Expressions
- Common examples include: 3x, x + 5, x - 2, and x ÷ 10.
Naming Mathematical Expressions
- Named according to the number of terms they contain.
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