Classifying, Adding, Subtracting, Multiplying Polynomials

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
Wayground Content
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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 consisting of variables (also called indeterminates) raised to non-negative integer powers and coefficients. For example, 3x^2 + 2x - 5 is a polynomial.
2.
FLASHCARD QUESTION
Front
How do you add polynomials?
Back
To add polynomials, combine like terms by adding their coefficients. For example, (3x^2 + 2x) + (4x^2 + 3) = (3 + 4)x^2 + (2)x + (3) = 7x^2 + 2x + 3.
3.
FLASHCARD QUESTION
Front
What are like terms in polynomials?
Back
Like terms are terms 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.
4.
FLASHCARD QUESTION
Front
What is the degree of a polynomial?
Back
The degree of a polynomial is the highest power of the variable in the expression. For example, in the polynomial 4x^3 + 2x^2 - x + 7, the degree is 3.
5.
FLASHCARD QUESTION
Front
How do you subtract polynomials?
Back
To subtract polynomials, change the sign of the terms in the polynomial being subtracted and then combine like terms. For example, (3x + 5) - (2x - 3) = 3x + 5 - 2x + 3 = (3 - 2)x + (5 + 3) = x + 8.
6.
FLASHCARD QUESTION
Front
What is the product of two polynomials?
Back
The product of two polynomials is found by multiplying each term in the first polynomial by each term in the second polynomial and then combining like terms. For example, (x + 2)(x + 3) = x^2 + 3x + 2x + 6 = x^2 + 5x + 6.
7.
FLASHCARD QUESTION
Front
What is the FOIL method?
Back
The FOIL method is a technique for multiplying two binomials. It stands for First, Outside, Inside, Last, referring to the order in which you multiply the terms. For example, (a + b)(c + d) = ac + ad + bc + bd.
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