Addition and Subtraction and Multiplying of Polynomials

Classify by the number of terms:
4r⁶ - 3r² - 8r⁴

• Monomial

• Binomial

• Trinomial

• Polynomial

When multiplying polynomials for a math assignment, Pat found the product to be -4x+8x²-2x³+5 . He then had to state the leading coefficient of this polynomial. Pat wrote down 8 . Do you agree with Pat's answer? Explain your reasoning.

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Simplify this polynomial:

n - 10 + 9n - 3

• -3

• 9n - 3

• n

• 10n - 13

• Monomial

• Binomial

• Trinomial

• Polynomial

• 3y⁴+3y³+7y²+4y

• 3y⁴+3y³+7y²+4y+6

• 3y⁴+3y³+7y²+6^

• 3y⁴+3y³+7y²+4y-6^

• 23x^5_11x

• -5x⁵-x

• 23x⁵+11x

• 5x⁵+x

• -10x²-9

• 10x²-9

• -5x²-2x-6

• -5x²-4x-9

What will the subtraction sign in between the polynomials do to the second polynomial?

• Change all of it's signs

• Nothing

• Change the sign of the first term

After combining like terms, what would the final answer be in this problem?

• 18x

• -8x

• 32x

• 20x

What operation is being done between these two polynomials?

• Addition

• Subtraction

• Multiplication

• Division