Addition and Subtraction of Polynomials

Quiz
•
Mathematics
•
7th Grade
•
Hard
Standards-aligned
Trixi Barrinuevo
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Add the polynomials (3x2 - 6x + xy), (2x3 - 5x2 -3y) and (7x + 8y)
2x³ - 8x² + x + xy + 5y
2x3 - 2x2 + x + xy - 5y
2x3 - 2x2 - x + xy + 5y
2x3 - 2x2 + x + xy + 5y
Tags
CCSS.HSA.APR.A.1
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Subtract (4x2 + 2x - 3y + 7xy - 3y2) from (3x2 - 5x + 8y + 7xy + 2y2)
-x2 - 7x + 11y + 5y2
-x2 - 7x + 11y + 14xy + 5y²
-x2 + 7x + 11y - y2
x2 + 7x - 11y - 5y2
Tags
CCSS.HSA.APR.A.1
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Subtract (-3x2 + 5y - 4xy + y²) from (2x2 - 4y + 7xy - 6y²)
-5x2 + 9y - 11xy + 7y2
5x2 - 9y + 11xy - 7y2
-x2 + y + 3xy - 5y2
-x2 - 9y + 11xy - 7y2
Tags
CCSS.HSA.APR.A.1
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If P = 5x4 - 2x2 + 4x - 3 and Q = 5x4 + 3x3 - 4x + 3, what is P - Q?
-3x3 - 5x2 + 8x - 6
-3x3 - 2x2 + 8x - 6
-3x3 + 2x2 + 8x - 6
-3x3 - 2x2
Tags
CCSS.HSA.APR.A.1
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If P = 4x4 - 3x3 + x2 - 5x + 11
and Q = -3x4 + 6x3 - 8x2 + 4x - 3
what is 2P + Q?
5x4 - 6x2 - 6x + 19
5x4 - 12x³ - 6x² - 6x + 19
2x4 + 3x2 - 7x² - x + 8
5x4 - 6x2 - 14x + 19
Tags
CCSS.HSA.APR.A.1
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If P = 4x4 - 3x3 + x2 - 5x + 11 and Q = -3x4 + 6x3 - 8x2 + 4x - 3, what is P - 2Q?
-2x4 + 9x3 - 15x2 + 3x + 5
10x4 - 9x3 + 17x2 - 13x + 17
10x4 - 15x3 + 17x2 - 13x + 17
14x4 - 18x3 + 18x2 - 18x + 28
Tags
CCSS.HSA.APR.A.1
CCSS.HSA.SSE.B.3
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Add the polynomials (-4x3 + x2y - xy2), (3x3 - xy2 + 5x2y) and (7xy2 + 3y3)
-x3 + 4xy2 + 3y3
x3 + 6x²y + 5xy² + 3y3
-x3 + 6x²y + 5xy² + 3y3
-x3 + 6x²y + 9xy² + 3y3
Tags
CCSS.HSA.APR.A.1
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