Plz answer and i will give 10 points!!!!?

Question

Match them up

Term:

trinomial

three

two

-1

Definition

A) The coefficient of the first term in the polynomial 2x2y+3xy-1 is _?_

B) 2x2y+3xy-1 is an example of a _?_

C) The constant in the polynomial 2x2y+3xy-1 is _?_

D) 2x2y+3xy-1 is a polynomial of degree _?_

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Question 2 (Multiple Choice Worth 1.0 points)

Simplify the following expression.

4x3(3x-5y+1)

4x3-9x3y+4x3

12x3-20x3y+4x3

12x4-20x3y+4x3

none of the above

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Question 3 (Multiple Choice Worth 1.0 points)

Subtract and simplify.

(7xy-4x+6y-10)-(3xy+10x-5y+5)

4xy-14x+11y-15

4xy+6x+y-5

21xy-4xx-30y-50

none of the above

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Question 4 (Multiple Choice)

Multiply and simplify.

(2x-3)(5x+3)

10x2-9

10x2-9x-9

7x2+6x-15x-9

none of the above

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Question 5 (Multiple Choice Worth 1.0 points)

Factor completely.

4x6-25

(2x3+5)(2x3-5)

(2x3-5)(2x3-5)

(2x3+5)(2x3+5)

Prime

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Question 6 (Multiple Choice Worth 1.0 points)

Factor completely.

One of the factors of the polynomial (x3-125) is_?_.

(x+5)

(x^2+5x+25)

(x+5)2

none of the above

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Question 7 (Multiple Choice Worth 1.0 points)

Solve for x. One of the answers is _?_

6x2-17x-14=0

x=-2

x=7/2

x=7

none of the above

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Question 8 (Multiple Choice Worth 1.0 points)

Solve for x. One of the answers is_?_

x2-5x-14=0

x=7

x=2

x=1

none of the above

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Question 9 (Multiple Choice Worth 2.0 points)

Divide the following polynomial. You may use synthetic division or long division as you like.

(4x3-6x+5) divided by (x-2)

4x2+8x+10+25/(x-2)

4x2+2x+9

4x2+2+9/(x-2)

none of the above

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Question 10 (Multiple Choice)

Factor the expression 24a2x2 - 150a2 completely. Select ALL of the factors in your FINAL answer from the choices below.

2a2

6a2

(2x + 5)

(2x - 5)

(4x2 - 25)

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Question 11 (Multiple Choice Worth 2.0 points)

Solve x2 - 9 = 0. Make sure you select the BEST answer.

x=3

x=9 or -9

x=3 or -3

x=9

Answer 1

1)

A) Two

B) Trinomial

C) -1

D) Three

2) 12x^4 - 20x^3y + 4x^3

3) 4xy - 14x + 11y -15

4) 10x^2 - 9x - 9

5) (2x^3 - 5) (2x^3 + 5)

6) None

7) x = 7/2

8) x = 7

9) 4x^2 + 2x + 9

10) 6a^2 (2x - 5) (2x+5)

11) x = 3 or -3