Flashcard Add/Subtract Polynomials

Flashcard
•
Mathematics
•
8th - 9th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a polynomial?
Back
A polynomial is a mathematical expression that consists of variables, coefficients, and non-negative integer exponents. For example, 2x^2 + 3x - 5 is a polynomial.
2.
FLASHCARD QUESTION
Front
What does it mean to add polynomials?
Back
Adding polynomials involves combining like terms from two or more polynomial expressions. For example, (2x^2 + 3x) + (4x^2 + 5) = 6x^2 + 3x + 5.
Tags
CCSS.HSA.APR.A.1
3.
FLASHCARD QUESTION
Front
What does it mean to subtract polynomials?
Back
Subtracting polynomials involves taking the second polynomial and changing the signs of its terms before combining like terms. For example, (3x^2 + 2x) - (x^2 + 4) = 2x^2 + 2x - 4.
Tags
CCSS.HSA.APR.A.1
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. For example, 3x^2 and 5x^2 are like terms, while 3x^2 and 4x are not.
Tags
CCSS.6.EE.A.2B
5.
FLASHCARD QUESTION
Front
How do you combine like terms?
Back
To combine like terms, add or subtract their coefficients while keeping the variable part the same. For example, 2x + 3x = 5x.
Tags
CCSS.7.EE.A.1
6.
FLASHCARD QUESTION
Front
What is the standard form of a polynomial?
Back
The standard form of a polynomial is when the terms are arranged in descending order of their exponents. For example, 4x^3 + 2x^2 - x + 5.
7.
FLASHCARD QUESTION
Front
What is the degree of a polynomial?
Back
The degree of a polynomial is the highest exponent of the variable in the polynomial. For example, in 3x^4 + 2x^2 - 5, the degree is 4.
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