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6.3 Addition and Subtraction of Polynomials

6.3 Addition and Subtraction of Polynomials

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Presentation

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Mathematics

•

7th Grade

•

Practice Problem

•

Hard

Created by

Cho Kit MA

Used 72+ times

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1 Slide • 8 Questions

1

6.3 Addition and Subtraction of Polynomials

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2

Multiple Choice

 x2x^2 and −x2 -x^{2\ }  are like terms.

1

Yes

2

No

3

Multiple Choice

 10001000  and  1000y1000y   are like terms.

1

Yes

2

No

4

Multiple Choice

 3x+2x−x=3x+2x-x=  

1

 2x2x  

2

 3x3x  

3

 4x4x  

4

 5x5x  

5

Multiple Choice

 4x+3y+6x−3y=4x+3y+6x-3y=  

1

 7x+3y7x+3y  

2

 10x10x  

3

 10y10y  

4

 7y+3x7y+3x  

6

Multiple Choice

 (x2−3x)+(x−2x2)\left(x^2-3x\right)+\left(x-2x^2\right)  

1

 −x2−2x-x^2-2x 

2

 3x2−2x3x^2-2x  

3

 2x2−5x2x^2-5x  

4

 5x2−2x5x^2-2x  

7

Multiple Choice

 (5+2xy)−(6xy+4)\left(5+2xy\right)-\left(6xy+4\right)  

1

 9−4xy9-4xy  

2

 9+4xy9+4xy  

3

 1−4xy1-4xy  

4

 1+4xy1+4xy  

8

Multiple Choice

 (−3x2+2x−2)+(2x2 −x−1)\left(-3x^2+2x-2\right)+\left(2x^{2\ }-x-1\right)  

1

 −x2+3x−1-x^2+3x-1  

2

 −x2+x−3-x^2+x-3  

3

 −6x2−2x+2-6x^2-2x+2  

4

 −6x2−x+3-6x^2-x+3  

9

Multiple Choice

 (−y3+3y2+4)−(2y3−y2+6)\left(-y^3+3y^2+4\right)-\left(2y^3-y^2+6\right)  

1

 y3+2y2−2y^3+2y^2-2  

2

 −y3+2y2−2-y^3+2y^2-2  

3

 −3y3+4y2+2-3y^3+4y^2+2  

4

 −3y3+4y2−2-3y^3+4y^2-2  

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6.3 Addition and Subtraction of Polynomials

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