Anonymous
Anonymous asked in Education & ReferenceHomework Help · 1 decade ago

PLEASE HELP!!! polynomials worst subject and need to pass?

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

2 Answers

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    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...

  • 4 years ago

    a million. Hate maths or the mathematics instructor won't enable u grow to be good in maths. a. u could quiet down. b. go and discover some one which could help u in maths. c. ask that ppl what u don't comprehend. d. whilst writing, write extremely larger, so can see for sure and could no longer make too plenty mistake. e. after end ur paper, examine it carefully. f. attempt study 0.5 an hour every day yet to no longer study 3-4 hours an afternoon. g. attempt to enable maths grow to be extra relaxing. h. attempt to comprehend them previously u undergo in innovations them desire those helps you.

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