Polynomial Doublecheck2
posted by Brittany .
I asked this earlier, but I didn't get an answer. I'm glad though, because I found a couple of typos. I can get someone to check these for me... I have to get an A, and I was wondering if someone could double check these for me. I am about 95% sure they are right, but just need a fresh set of eyes. I know I've been sending alot, but I really need them to be double checked. Thanks so much!! :)
1. Simplify 2e^2+9e+3+3e^25e2.
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^24x19
C. 4x^24x+19
D. 4x^2+4x+19
My answer was D. 4x^2+4x+19
5. Simplify 4q^25q1+8q^2+8q9
A. 4q^2+3q+8
B. 12q^2+3q10
C. 12q^213q10
D. 4q^213q+8
My answer was B. 12q^2+3q10
6. Subtract (7x5y)  (2x+4y)
A. 9x9y
B. 9xy
C. 5x9y
D. xy
My answer was C. 5x9y
7. Add (6x+2y) + (3x4y)
A. 3x2y
B. 3x+6y
C. 9x2y
D. 9x2y
My answer was C. 9x2y
8. Add (4x2y) + (7x5y)
A. 11x+3y
B. 11x7y
C. 3x+3y
D. 3x7y
My answer was B. 11x7y
9. Subtract (4x^5 5x)  (7x58x^5)
A. 4x^5 12x+5
B. 12x^5+12x+5
C. 11x^5 13x5
D. 13x^5 +2x5
My answer was A. 4x^5 12x+5
10. Subtract (4x+2y)  (8x3y)
A. 4xy
B. 12xy
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^42
B. 2x^5+8x
C. 2^46x
D. 8x^58x
My answer was D. 8x^58x
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
1) 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
Thank You :)
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