What is a polynomial?
Adding and Subtracting Polynomials

Flashcard
•
Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A polynomial is a mathematical expression consisting of variables, coefficients, and non-negative integer exponents, combined using addition, subtraction, and multiplication.
2.
FLASHCARD QUESTION
Front
What does it mean to add polynomials?
Back
Adding polynomials involves combining like terms, which are terms that have the same variable raised to the same power.
3.
FLASHCARD QUESTION
Front
What does it mean to subtract polynomials?
Back
Subtracting polynomials involves changing the signs of the terms in the polynomial being subtracted and then combining like terms.
4.
FLASHCARD QUESTION
Front
What are like terms?
Back
Like terms are terms in a polynomial that have the same variable raised to the same power.
5.
FLASHCARD QUESTION
Front
How do you simplify the expression (4n^4 - 8n + 4) - (8n^2 + 4n^4 + 1)?
Back
The simplified expression is -8n^2 - 8n + 3.
6.
FLASHCARD QUESTION
Front
What is the perimeter of a rectangle with length x and width 2x + 5?
Back
The perimeter is 2(x + (2x + 5)) = 6x + 10.
7.
FLASHCARD QUESTION
Front
How do you combine the terms -7xy + x + y + x - 3xy?
Back
The combined expression is -10xy + 2x + y.
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