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Mathematics
9th -
12thgrade
Unit 1: Adding and Subtracting Polynomials
15 questions
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- 1. Multiple ChoiceWhen adding two polynomials, the first step is to...Combine Like TermsIdentify Like TermsUse the distributive propertyUse the associative property
- 2. Multiple Choice(10g2 + 3g - 10) +
(2g2 + g +9)8g2 + 2g - 112g2 + 4g - 112g4 + 4g - 18g2 + 2g - 19 - 3. Multiple Choice(6s3 + 9s + 10) +
(3s3 + 4s - 10)3s3 + 5s + 209s3+13s3s6 + 5s2 + 203s2 +5s + 10 - 4. Multiple ChoiceOne difference between adding and subtracting polynomials is...Using the associative propertyUsing the distributive propertyUsing the commutative propertyNothing. The process is the same
- 5. Multiple ChoiceThe commutative property of addition states that...Numbers can be rearranged and then added in any orderYou can add numbers regardless of how they are grouped togetherMultiplying a sum by a number is the same as multiplying each addend by the number and then adding the products
- 6. Multiple ChoiceThe distributive property of addition states that...Numbers can be rearranged and then added in any orderYou can add numbers regardless of how they are grouped togetherMultiplying a sum by a number is the same as multiplying each addend by the number and then adding the products
- 7. Multiple Choice(5x2 -3x + 4) +
(6x -3x2 - 3)3x2 + 2x + 12x2 + 3x +12x2 + 5x - 73x2 + 4x5 -7x - 8. Multiple ChoiceThe associative property of addition states that...Numbers can be rearranged and then added in any orderYou can add numbers regardless of how they are grouped togetherMultiplying a sum by a number is the same as multiplying each addend by the number and then adding the products
- 9. Multiple ChoiceClassify the expression by the number of terms: -2x3 + 9x2 + 6MonomialBinomialTrinomialPolynomial
- 10. Multiple Choice(2x + 5y) +
(3x - 2y)3x + 5y5x + 3y5x + 7y7xy + 1xy - 11. Multiple Choice(3x + 4y - 3z) -
(2x - 6y + 7z)x + 10y - 10z-x +10y - 10zx -10y - 10z-x -10y - 10z - 12. Multiple ChoiceA rectangular picture frame has a length of 5x-2 inches and a width of 3x+1 inches. Write a polynomial that represents the perimeter of the frame. What is the perimeter of the frame if x=4?31 in.62 in.234 in.218 in.
- 13. Multiple ChoiceDarnell and Stephanie work for competing refreshment stand companies. Darian's profit can be modeled using the polynomial 2c2 - 7c - 200, where c is the number of items sold. Stephanie's profit can be modeled with the polynomial c2 + 8c - 100. Write a polynomial to represent the difference between their profits.c2 -15c - 1003c2 -c - 300c2 +15c + 3003c2 -15c - 100
- 14. Multiple ChoiceLike terms must have...The same coefficientThe same variablesThe same variables and exponentsThe same coefficient, variables, and exponents
- 15. Multiple ChoiceThe correct order of steps to subtract polynomials is...1. Group like terms
2. Combine like terms
3. Distribute1. Distribute
2. Identify like terms
3. Group like terms
4. Combine like terms1. Combine like terms
2. Identify like terms
3. Group like terms
4. Distribute1. Identify like terms
2. Group like terms
3. Distribute
4. Combine like terms - Answer choicesTagsAnswer choicesTags