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Questions and Answers

Which of the following is a polynomial?

5x + 3
2/x
x² + 2x + 1 (correct)
4x²

Cross-multiplication can only be applied to equations involving whole numbers.

False (B)

What is the result of multiplying 3x² by 4x²?

12x^4

In algebra, a term with only one variable is called a ______.

<p>monomial</p> Signup and view all the answers

Match the following operations with their respective algebraic expressions:

<p>Addition = Combining like terms Multiplication = Distributing factors Division = Subtracting exponents Subtraction = Finding the difference between terms</p> Signup and view all the answers

Flashcards

Monomial

A single term with a coefficient and a variable raised to a power, like "3x²" or "5y³.

Binomial

An algebraic expression with two terms, separated by a plus or minus sign, like "2x + 4" or "y² - 5".

Trinomial

An expression with three terms, like "x² + 2x - 3"

Polynomial

An expression with one or more terms, including variables and coefficients. Examples include 5x² + 2x - 1, or 3xy + 2y².

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Adding/Subtracting Monomials

The process of combining terms in an algebraic expression that have the same variable and exponent. For example, 3x² + 5x² = 8x².