MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Add.

1) (6x – 7) + (6x + 5)

A) 10x

B) 12x – 2

C) 36x – 35

D) 36x – 2

2) (2x^{2} + 4x + 9) + (3x^{2} + 8x – 7)

A) 5x^{2} – 12x + 2

B) 5x^{2} + 12x – 2

C) 5x^{2} + 12x + 2

D) 12x^{2} + 10x – 3

3) (-2a^{2} – 3a – 7) + (5a^{2} – 3a + 5)

A) 3a^{2} – 3a – 2

B) -10a^{2} – 3a – 2

C) 3a^{4} – 6a^{2} – 2

D) 3a^{2} – 6a – 2

4) (9x^{2} + 8x – 12) + (16x + 12)

A) 9x^{2} + 24x

B) 33x^{3}

C) 9x^{2} + 8x + 24

D) 9x^{2} + 24x – 24

5) (-6y^{2} + 7) + (3y^{2} – 5y – 2)

A) -3y^{2} – 5y + 5

B) -3y^{2} + 5y + 5

C) -3y^{2} – 5y + 9

D) -9y^{2} – 5y + 5

6) ((1/4)x^{2} – (5/8)x + (3/5)) + ((1/6)x^{2} – (1/4)x + (7/10))

A) (5/12)x^{2} – (7/8)x + (13/10)

B) (1/12)x^{2} + (7/8)x + (13/10)

C) (1/12)x^{2} – (7/8)x + (13/10)

D) (5/12)x^{2} + (7/8)x + (13/10)

7) (x^{2} – 5x – 1) + (x^{3} – 5x – 5) + (-4x^{3} – 2x + 3)

A) -3x^{3} + x^{2} – 12x – 3

B) -2x^{3} – 12x – 3

C) -3x^{3} – 4x^{2} – 7x – 3

D) -3x^{3} + x^{2} – 12x + 2

8) (3w^{2} – 15w + 11) + (14w^{2} – 1) + (4w + 6)

A) 21w^{2} – 15w + 16

B) 17w^{2} + 11w + 16

C) 21w^{2} – 15w + 18

D) 17w^{2} – 11w + 16

9) (4.8x^{2} – 1.7x – 2.6) + (3.7x^{2} + 6.5x – 0.3)

A) 8.5x^{2} -4.8x – 2.9

B) 8.5x^{2} + 4.8x – 2.9

C) 8.5x^{2} + 4.8x + 2.9

D) 8.5x^{2} + 8.2x – 2.9

Find the opposite of the polynomial.

10) 6x – 2

A) 6x + 2

B) 6x – 2

C) -6x + 2

D) -6x – 2

11) -9x + 3

A) -9x – 3

B) -9x + 3

C) 9x – 3

D) 9x + 3

12) 16a^{2} – 4

A) -16a^{2} + 4

B) -16a^{2} – 8

C) 16a^{2} + 8

D) 16a^{2} – 4

13) 14a^{2} – 8a + 5

A) 14a^{2} + 8a – 5

B) -14a^{2} – 8a – 5

C) 14a^{2} – 8a + 5

D) -14a^{2} + 8a – 5

14) 4x^{2} + 10x – 5

A) 4x^{2} – 10x + 5

B) -4x^{2} + 10x + 5

C) -4x^{2} – 10x + 5

D) -4x^{2} – 10x – 5

15) -6x^{3} + 5x^{2} + 17

A) 6x^{3} – 5x^{2} – 17

B) 6x^{3} – 5x^{2} + 17

C) -6x^{3} + 5x^{2} + 17

D) -6x^{3} – 5x^{2} – 17

16) -7a^{3} + 7a^{2} + 7a – 4

A) -7a^{3} – 7a^{2} – 7a – 4

B) 7a^{3} + 7a^{2} + 7a – 4

C) -7a^{3} + 7a^{2} + 7a + 4

D) 7a^{3} – 7a^{2} – 7a + 4

17) a^{3} – 7a^{2} + 3a

A) -a^{3} – 7a^{2} – 3a

B) a^{3} – 7a^{2} + 3a

C) -a^{3} + 7a^{2} – 3a

D) a^{3} + 7a^{2} – 3a

18) – (1/7)x^{3} + (2/11)x^{2} + (1/3)x – (3/11)

A) -(1/7)x^{3} + (2/11)x^{2} + (1/3)x – (3/11)

B) (1/7)x^{3} + (2/11)x^{2} + (1/3)x – (3/11)

C) (1/7)x^{3} – (2/11)x^{2} – (1/3)x + (3/11)

D) (1/7)x^{3} + (2/11)x^{2} – (1/3)x + (3/11)

Subtract.

19) (8y + 2) – (-6y + 3)

A) 14y – 1

B) 14y + 5

C) 13y

D) -14y + 1

20) (4x + 6) – (-8x + 6)

A) -4x + 12

B) 12x + 12

C) 12x

D) 12x + 0

21) (4x^{2} + 6x – 6) + (5x^{2} – 10x + 10)

A) 9x^{2} – 16x + 4

B) 9x^{2} – 4x + 16

C) 9x^{2} – 4x + 4

D) 9x^{2} + 4x + 4

22) (5x^{2} – 11x + 8) – (2x^{2} – 8x + 15)

A) 3x^{2} – 9x + 23

B) 3x^{2} – 3x + 23

C) 3x^{2} – 3x – 7

D) 3x^{2} – 3x + 7

23) (5m^{2} + 2m + 2) – (-9m^{2} – 7)

A) 14m^{2} + 2m + 9

B) 14m^{2} + 9m + 2

C) -4m^{2} + 9m + 2

D) -4m^{2} + 2m – 5

24) (10x^{2} – 1) – (-x^{3} + 6x^{2} + 4)

A) 11x^{3} + 6x^{2} – 5

B) x^{3} + 16x^{2} + 3

C) x^{3} + 4x^{2} – 5

D) 11x^{3} + 5x^{2} – 4

25) (x^{3} – 3x^{2} + 22x) – (6x^{2} – 4x + 10)

A) x^{3} – 9x^{2} + 18x – 10

B) x^{3} – 9x^{2} + 26x – 10

C) x^{3} + 9x^{2} – 18x – 10

D) x^{3} – 9x^{2} + 18x + 10

26) (3.1x^{3} – 6.1x^{2} + x – 4) – (8.1x^{3} – 2.7x^{2} + x + 1)

A) -5x^{3} – 8.8x^{2} + 2x – 5

B) -5x^{3} – 3.4x^{2} – 2x + 5

C) -5x^{3} – 3.4x^{2} – 5

D) 11.2x^{3} – 3.4x^{2} – 5

27) (-(9/11)y + (2/3)) – (-(5/11)y – (1/6))

A) (4/11)y + (5/6)

B) (4/11)y + (1/2)

C) -(4/11)y + (5/6)

D) -(4/11)y + (1/2)

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