Math A

Practice Adding
Polynomials

 

Directions:  Add these polynomials.   

 

1.

(5x – 1) + (10x2 + 7x)

 

Choose:

10x2 + 12x -1
 15x2 + 7x -1
10x2 + 2x -1

 

 

2. (20x2 + 2) + (15x2 - 8) + (3x2 - 4)

Choose:

38x2 + 10 
 38x2 + 2
38x2 - 10

 

 

3. (5m - 4q + 9) + (2q + 7)

 

Choose:

3m + 3q + 16
 5m –2q + 16
5m - 2q +2

 

 

4. (6x + 2y + 9) + (-3x - 5y - 8)

Choose:

3x – 3y + 1
 9x -3y + 1
3x + 3y + 1

 

 

5.

(x2 + y2 + 8) + (4x2 - 2y2 - 9)

 

Choose:

5x2 - 3y2 + 1
 5x2 – y2 - 1
3x2 +3y2 +17

 

 

6.

(x2 + x) + (x2 + 8x)

Choose:

2x2 + 9x
 x2 + 9x
2x2 + 8x

 

 

7.

Add 4x2, 6x2 - 20, and (- 40).

 

Choose:

9x2 - 20
 10x2 + 60
10x2 - 60

 

 

8.

(4x - 7) + (x + 5y + 1)

Choose:

5x + 5y - 6
 3x + 5y - 8
11xy - 6

 

 

9.

(x + 3) + (x - 3)

 

Choose:

0
2x + 6
2x

  

 

10.

Add 4x2 + 6x +9 to 2x2 +3x -9.

Choose:

6x2 + 9x  
6x2 + 9x + 18
2x2 + 3x

 

 

11.

Find the missing term:
(4x + ___) + (2x + 3) = 6x + 5

 

Choose:

8
 2
-2

 

 

12.

Find the missing term:
(x2+6x+7)+(3x2+ __ +1)=4x2+13x+8  

Choose:

7x
 -7x
19x

 

 

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