Anonymous

1.

Add the following polynomials: (4x2 + 2x – 3) + (x2 – x + 9)

A)

5x^2+x+6

B)

4x^2+x+6

C)

5x^2+x+5

D)

4x^2+x+5

2.

Add the following polynomials: (x2 – x + 7) + (x2 + 3x + 1)

A)

2x^2+2x-8

B)

2x^2+2x+8

C)

2x^2-2x+8

D)

-2x^2+2x+8

3.

Add the following polynomials: (–3x2 + 3x + 3) + (–2x2 – 10x + 2)

A)

-5x^2-7x+5

B)

5x^2-7x+5

C)

-5x^2+7x+5

D)

5x^2-7x-5

4.

Add the following polynomials: (7x2 + x + 13) + (2x2 – 5x + 10)

A)

-9x^2-4x+23

B)

9x^2+4x+23

C)

9x^2-4x-23

D)

9x^2-4x+23

5.

Add the following polynomials: (–4x2 + 12x – 4) + (3x2 – 2x + 6)

A)

x^2-10x-2

B)

-x^2+10x+2

C)

x^2-10x+2

D)

x^2+10x-2

6.

Add the following polynomials: (6x2 – 6x – 6) + (6x2 – 6x + 9)

A)

12x^2-12x+3

B)

12x^2+12x-3

C)

-12x^2-12x+3

D)

12x^2+12x-3

7.

Add the following polynomials: (x2 – 4x – 3) + (x2 – 3x – 7)

A)

-2x^2-7x-10

B)

2x^2+7x-10

C)

2x^2-7x-10

D)

2x^2-7x+10

8.

Add the following polynomials: (x2 + 2x + 10) + (–4x2 – 2x + 4)

A)

3x^2-14

B)

-3x^2+14

C)

-3x^2-14

D)

3x^2+14

9.

Add the following polynomials: (3x2 – 2x – 1) + (2x2 – 9x + 1)

A)

5x^2+11x

B)

-5x^2+11x

C)

5x^2-11x

D)

-5x^2-11x

10.

Add the following polynomials: (4x2 + x – 2) + (x2 – 3x + 1)

A)

5x^2-2x-1

B)

-5x^2-2x-1

C)

5x^2+2x-1

D)

5x^2+2x+1

11.

Subtract the following polynomials: (4x2 + 2x – 3) – (x2 – x + 9)

A)

-3x^2+3x-12

B)

3x^2-3x-12

C)

3x^2+3x-12

D)

-3x^2-3x-12

12.

Subtract the following polynomials: (2x2 – x + 7) – (x2 + 3x + 1)

A)

-x^2-4x+6

B)

x^2+4x+6

C)

-x^2-4x-6

D)

x^2-4x+6

13.

Subtract the following polynomials: (–3x2 + 3x + 3) – (–2x2 – 10x + 2)

A)

x^2-13x+1

B)

-x^2+13x+1

C)

-x^2+13x+1

D)

-x^2-13x-1

14.

Subtract the following polynomials: (7x2 + x + 13) – (2x2 – 5x + 10)

A)

5x^2+6x+3

B)

-5x^2+6x+3

C)

5x^2-6x+3

D)

5x^2+6x-3

15.

Subtract the following polynomials: (–4x2 + 12x – 4) – (3x2 – 2x + 6)

A)

7x^2+14x-10

B)

-7x^2+14x-10

C)

7x^2-14x+10

D)

-7x^2-14x-10

16.

Subtract the following polynomials: (6x2 – 6x – 6) – (5x2 – 5x + 5)

A)

-x^2-x-11

B)

x^2-x-11

C)

x^2+x-11

D)

x^2+x+11

17.

Subtract the following polynomials: (x2 – 4x – 3) – (2x2 – 3x – 7)

A)

x^2-x-4

B)

-x^2-x+4

C)

x^2+x-4

D)

x^2+x+4

18.

Subtract the following polynomials: (x2 + 2x + 10) – (–4x2 – 2x + 4)

A)

-5x^2+4x+6

B)

5x^2-4x+6

C)

5x^2+4x+6

D)

5x^2+4x-6

19.

Subtract the following polynomials: (3x2 – 2x – 1) – (2x2 – 9x + 1)

A)

-x^2+7x-2

B)

-x^2-7x-2

C)

x^2+7x+2

D)

x^2+7x-2

20.

Subtract the following polynomials: (4x2 + x – 2) – (x2 – 3x + 1)

A)

3x^2+4x+3

B)

-3x^2-4x-3

C)

-3x^2+4x-3

D)

3x^2+4x-3

21.

Worldwide Shipping Company charges (4x + 280) dollars for shipping a package that weighs x pounds from Miami to Denver. Friendly Shipping Company charges (3x + 125) dollars to ship the same package. What is the degree of these polynomials?

A)

0

B)

1

C)

2

D)

3

22.

Worldwide Shipping Company charges (4x + 280) dollars for shipping a package that weighs x pounds from Miami to Denver. Friendly Shipping Company charges (3x + 125) dollars to ship the same package. How much does Worldwide charge for a package that weighs 126 pounds?

A)

\$784

B)

\$748

C)

\$487

D)

\$874

23.

Worldwide Shipping Company charges (4x + 280) dollars for shipping a package that weighs x pounds from Miami to Denver. Friendly Shipping Company charges (3x + 125) dollars to ship the same package. How much does Friendly charge for a package that weighs 126 pounds?

A)

\$530

B)

\$503

C)

\$305

D)

\$350

24.

Worldwide Shipping Company charges (4x + 280) dollars for shipping a package that weighs x pounds from Miami to Denver. Friendly Shipping Company charges (3x + 125) dollars to ship the same package. How much does Worldwide charge for a package that weighs 845 pounds?

A)

\$6630

B)

\$6360

C)

\$3660

D)

\$6603

25.

Worldwide Shipping Company charges (4x + 280) dollars for shipping a package that weighs x pounds from Miami to Denver. Friendly Shipping Company charges (3x + 125) dollars to ship the same package. How much does Friendly charge for a package that weighs 845 pounds?

A)

\$2066

B)

\$2606

C)

\$6260

D)

\$2660

26.

Worldwide Shipping Company charges (4x + 280) dollars for shipping a package that weighs x pounds from Miami to Denver. Friendly Shipping Company charges (3x + 125) dollars to ship the same package. To convert a weight in kilograms to a weight in pounds, you multiply the number of kilograms by 0.454. How much does Worldwide Shipping Company charge for a package that weighs 96 kilograms?

A)

\$445.34

B)

\$544.34

C)

\$543.44

D)

\$454.34

27.

Worldwide Shipping Company charges (4x + 280) dollars for shipping a package that weighs x pounds from Miami to Denver. Friendly Shipping Company charges (3x + 1

Relevance

1. Add the following polynomials: (4x2 + 2x – 3) + (x2 – x + 9)

= 4x^2 + 2x - 3 + x^2 - x + 9

= 5x^2 + x + 6

= A

2. Add the following polynomials: (x2 – x + 7) + (x2 + 3x + 1)

= x^2 - x + 7 + x^2 + 3x + 1

= 2x^2 + 2x + 8

= B

3. Add the following polynomials: (–3x2 + 3x + 3) + (–2x2 – 10x + 2)

= -3x^2 + 3x + 3 - 2x^2 - 10x + 2

= -5x^2 - 7x + 5

= A

4. Add the following polynomials: (7x2 + x + 13) + (2x2 – 5x + 10)

= 7x^2 + x + 13 + 2x^2 - 5x + 10

= 9x^2 - 4x + 23

= D

5. Add the following polynomials: (–4x2 + 12x – 4) + (3x2 – 2x + 6)

= -4x^2 + 12x - 4 + 3x^2 - 2x + 6

= -x^2 + 10x + 2

= B

6. Add the following polynomials: (6x2 – 6x – 6) + (6x2 – 6x + 9)

= 6x^2 - 6x - 6 + 6x^2 - 6x + 9

= 12x^2 - 12x + 3

= A

7. Add the following polynomials: (x2 – 4x – 3) + (x2 – 3x – 7)

= x^2 - 4x - 3 + x^2 - 3x - 7

= 2x^2 - 7x - 10

= C

8. Add the following polynomials: (x2 + 2x + 10) + (–4x2 – 2x + 4)

= x^2 + 2x + 10 - 4x^2 - 2x + 4

= -3x^2 + 14

= B

9. Add the following polynomials: (3x2 – 2x – 1) + (2x2 – 9x + 1)

= 3x^2 - 2x - 1 + 2x^2 - 9x + 1

= 5x^2 - 11x

= C

10. Add the following polynomials: (4x2 + x – 2) + (x2 – 3x + 1)

= 4x^2 + x - 2 + x^2 - 3x + 1

= 5x^2 - 2x - 1

= A

11. Subtract the following polynomials: (4x2 + 2x – 3) – (x2 – x + 9)

= 4x^2 + 2x - 3 - x^2 + x - 9

= 3x^2 + 3x - 12

= C

12. Subtract the following polynomials: (2x2 – x + 7) – (x2 + 3x + 1)

= 2x^2 - x + 7 - x^2 - 3x - 1

= x^2 - 4x + 6

= D

13. Subtract the following polynomials: (–3x2 + 3x + 3) – (–2x2 – 10x + 2)

= -3x^2 + 3x + 3 + 2x^2 + 10x - 2

= -x^2 + 13x + 1

= B or C (they are the same)

14. Subtract the following polynomials: (7x2 + x + 13) – (2x2 – 5x + 10)

= 7x^2 + x + 13 - 2x^2 + 5x - 10

= 5x^2 + 6x + 3

= A

15. Subtract the following polynomials: (–4x2 + 12x – 4) – (3x2 – 2x + 6)

= -4x^2 + 12x - 4 - 3x^2 + 2x - 6

= -7x^2 + 14x - 10

= B

16. Subtract the following polynomials: (6x2 – 6x – 6) – (5x2 – 5x + 5)

= 6x^2 - 6x - 6 - 5x^2 + 5x - 5

= x^2 - x - 11

= B

17. Subtract the following polynomials: (x2 – 4x – 3) – (2x2 – 3x – 7)

= x^2 - 4x - 3 - 2x^2 + 3x + 7

= -x^2 - x + 4

= B

18. Subtract the following polynomials: (x2 + 2x + 10) – (–4x2 – 2x + 4)

= x^2 + 2x + 10 + 4x^2 + 2x - 4

= 5x^2 + 4x + 6

= C

19. Subtract the following polynomials: (3x2 – 2x – 1) – (2x2 – 9x + 1)

= 3x^2 - 2x - 1 - 2x^2 + 9x - 1

= x^2 + 7x - 2

= D

20. Subtract the following polynomials: (4x2 + x – 2) – (x2 – 3x + 1)

= 4x^2 + x - 2 - x^2 + 3x - 1

= 3x^2 + 4x - 3

= D

21. Worldwide Shipping Company charges (4x + 280) dollars for shipping a package that weighs x pounds from Miami to Denver. Friendly Shipping Company charges (3x + 125) dollars to ship the same package. What is the degree of these polynomials?

= 4x and 3x

= B

22. Worldwide Shipping Company charges (4x + 280) dollars for shipping a package that weighs x pounds from Miami to Denver. Friendly Shipping Company charges (3x + 125) dollars to ship the same package. How much does Worldwide charge for a package that weighs 126 pounds?

= 4(126) + 280

= 504 + 280

= \$784

= A

23. Worldwide Shipping Company charges (4x + 280) dollars for shipping a package that weighs x pounds from Miami to Denver. Friendly Shipping Company charges (3x + 125) dollars to ship the same package. How much does Friendly charge for a package that weighs 126 pounds?

= 3(126) + 125

= 378 + 125

= \$503

= B

24. Worldwide Shipping Company charges (4x + 280) dollars for shipping a package that weighs x pounds from Miami to Denver. Friendly Shipping Company charges (3x + 125) dollars to ship the same package. How much does Worldwide charge for a package that weighs 845 pounds?

= 4(845) + 280

= 3380 + 280

= \$3660

= C

25. Worldwide Shipping Company charges (4x + 280) dollars for shipping a package that weighs x pounds from Miami to Denver. Friendly Shipping Company charges (3x + 125) dollars to ship the same package. How much does Friendly charge for a package that weighs 845 pounds?

= 3(845) + 125

= 2535 + 125

= \$2660

= D

26. Worldwide Shipping Company charges (4x + 280) dollars for shipping a package that weighs x pounds from Miami to Denver. Friendly Shipping Company charges (3x + 125) dollars to ship the same package. To convert a weight in kilograms to a weight in pounds, you multiply the number of kilograms by 0.454. How much does Worldwide Shipping Company charge for a package that weighs 96 kilograms?

= 4(96 x 0.454) + 280

= 4(43.584) + 280

= 174.336 + 280

= \$454.34

= D

27. It's cut off...

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