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December 21, 2014

December 21, 2014

Posted by **Brittany** on Sunday, April 3, 2011 at 12:31am.

1. Simplify 2e^2+9e+3+3e^2-5e-2.

A. 5e^2+4e+1

B. -e^2+4e+5

C. 5e^2+14e+1

D. -e^2+14e+5

My answer was A. 5e^2+4e+1

2. Find the degree of 1+2x^4+2x^2

A. 4

B. 3

C. 1

D. 2

My answer was A. 4.

3. Find the degree of 7x+2

A. 4

B. 3

C. 2

D. 1

My answer was D. 1.

4. Write the variable expression. It is 4 black squares,4 skinny white rectangles, and 19 little white squares.

A. 4x^2+4x+19

B. 4x^2-4x-19

C. -4x^2-4x+19

D. -4x^2+4x+19

My answer was D. -4x^2+4x+19

5. Simplify 4q^2-5q-1+8q^2+8q-9

A. -4q^2+3q+8

B. 12q^2+3q-10

C. -12q^2-13q-10

D. -4q^2-13q+8

My answer was B. 12q^2+3q-10

6. Subtract (7x-5y) - (2x+4y)

A. 9x-9y

B. 9x-y

C. 5x-9y

D. x-y

My answer was C. 5x-9y

7. Add (6x+2y) + (3x-4y)

A. 3x-2y

B. 3x+6y

C. 9x-2y

D. 9x-2y

My answer was C. 9x-2y

8. Add (4x-2y) + (7x-5y)

A. 11x+3y

B. 11x-7y

C. -3x+3y

D. -3x-7y

My answer was B. 11x-7y

9. Subtract (-4x^5 -5x) - (7x-5-8x^5)

A. 4x^5 -12x+5

B. -12x^5+12x+5

C. -11x^5 -13x-5

D. -13x^5 +2x-5

My answer was A. 4x^5 -12x+5

10. Subtract (4x+2y) - (8x-3y)

A. -4x-y

B. 12x-y

C. 12x+5y

D. -4x+5y

My answer was D. -4x+5y

11. Simplify 5x^4(7x+5)

A. 35x^4+5

B. 12x^5+25x^4

C. 12x^2+10x

D. 35x^5+25x^4

My answer was 35x^5+25x^4

12. What multiplication expression is shown by the model? It has two columns down, 2 big squares down and three below that. So its 10 squares all together.

A. 2x(2x+3)

B. 3x(2x+3)

C. x(x+6)

D. (x+3)(x+2)

My answer was A. 2x(2x+3). This one

I am 100% sure on, but still.

13. Simplify x^6 times x^4.

A. x^10

B. x^24

C. 2x^24

D. 2x^10

My answer was A. x^10

14. Simplify -4x(2x^4+2)

A. -8x^4-2

B. -2x^5+8x

C. -2^4-6x

D. -8x^5-8x

My answer was D. -8x^5-8x

15. Find the area of the figure. The length is 4x^2+2x and the width is 3x.

A. 7x^3+5x^2

B. 4x^2+5x

C.10x^2

D. 12x^3+6x^2

My answer was D. 12x^3+6x^2

- Polynomial- Doublecheck2 -
**Lena**, Sunday, April 3, 2011 at 4:03am1) Correct

2) Correct

3) Correct

4) Not to sure how to solve the question

5) Correct

6) Correct

7) Correct

8) Correct

9) Correct

10) Correct

11) Correct

12) Do not understand description of model so I'm glad you're sure of this answer

13) Correct

14) Correct

15) Correct

- Polynomial- Doublecheck2 -
**Brittany**, Sunday, April 3, 2011 at 11:17amThank You :)

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