Question

cheack my work please

Answer 1

Question 1 (Multiple Choice Worth 3 points)

[8.06] Determine which polynomial is a perfect square trinomial.

36x2 − 18x − 9

4a2 − 28a − 49

25b2 − 20b + 4

4x2 − 6x + 9

Question 2 (Multiple Choice Worth 4 points)

[8.06] What are the factors of 9x2 + 24x + 16?

(3x − 4)(3x − 4)

(3x + 4)(3x + 4)

(9x + 4)(x + 4)

(9x − 4)(x − 4)

Question 3 (Multiple Choice Worth 4 points)

[8.07] Factor Completely: 36x2 − 25

(36x + 5)(x − 5)

(36x − 5)(x − 5)

(6x − 5)(6x − 5)

(6x + 5)(6x − 5)

Question 4 (Multiple Choice Worth 3 points)

[8.03] Determine the factors of x2 − 9x + 20.

(x + 4)(x + 5)

(x − 4)(x − 5)

(x + 2)(x + 10)

(x − 2)(x − 10)

Question 5 (Multiple Choice Worth 3 points)

[8.02] Identify the factors of 15ab + 35a − 6b − 14.

(5a − 2)(3b + 7)

(5a + 2)(3b − 7)

(5a − 7)(3b + 2)

(5a + 7)(3b − 2)

Question 6 (Multiple Choice Worth 4 points)

[8.06] Sam decides to build a square garden. If the area of the garden is 4x2 + 28x + 49 square feet, what is the length of one side of the garden?

(2x + 7) feet

(7x + 2) feet

(2x − 7) feet

(7x − 2) feet

Question 7 (Multiple Choice Worth 4 points)

[8.02] Factor completely: 2x3 + 10x2 + 14x + 70

(2x2 + 14)(x + 5)

(x2 + 7)(2x + 10)

2(x3 + 5x2 + 7x + 35)

2[(x2 + 7)(x + 5)]

Question 8 (Multiple Choice Worth 3 points)

[8.04] Identify the factors of 3a2 + a − 14.

(3a + 7)(a − 2)

(3a − 7)(a + 2)

(3a + 14)(a − 1)

(3a − 14)(a + 1)

Question 9 (Multiple Choice Worth 4 points)

[8.04] Factor completely: 8x2 + 20x + 8

(2x + 8)(4x + 1)

4(2x − 2)(x − 1)

4(2x + 1)(x + 2)

(8x + 4)(x + 2)

Question 10 (Multiple Choice Worth 3 points)

[8.03] What are the factors of x2 − 3x − 28?

(x + 7)(x − 4)

(x − 7)(x + 4)

(x + 2)(x − 14)

(x − 2)(x + 14)

Question 11 (Multiple Choice Worth 4 points)

[8.03] Factor completely: 2x2 − 6x − 36

2(x − 3)(x + 6)

2(x − 6)(x + 3)

(2x − 4)(x +9)

(2x − 9)(x + 4)

Question 12 (Multiple Choice Worth 3 points)

[8.07] Find the factors of a2 − 36.

(a + 6)(a − 6)

(a + 6)(a + 6)

(a − 6)(a − 6)

Prime

Question 13 (Multiple Choice Worth 3 points)

[8.01] Identify the GCF for 6a2b2 − 9ab2 + 12ab3.

ab2

a2b

3ab2

3ab

Question 14 (Multiple Choice Worth 4 points)

[8.03] Determine the factors of x2 − 12x − 20.

(x − 2)(x + 10)

(x − 10)(x + 2)

(x − 5)(x + 4)

Prime

Question 15 (Multiple Choice Worth 4 points)

[8.07] Identify the factors of x2 + 16y2.

(x + 4y)(x + 4y)

(x + 4y)(x − 4y)

Prime

(x − 4y)(x − 4y)

Question 16 (Multiple Choice Worth 4 points)

[8.02] What are the factors of 15y2 + 5yz + 12y + 4z?

(15y + 4)(y + z)

(15y + z)(y + 4)

(5y + 4)(3y + z)

(5y + z)(3y + 4)

Question 17 (Multiple Choice Worth 4 points)

[8.01] Factor completely: 15x5y + 35x3y3

5xy(3x4 + 7x2y)

5x2y(3y + 7x)

5x3y(3x2 + 7y2)

x3y(15x2 +35y2)

Question 18 (Multiple Choice Worth 4 points)

[8.06] Factor completely: 2x2 − 16x + 32

2(x + 4)(x + 4)

(2x − 8)(x − 4)

(2x − 16)(x − 2)

2(x − 4)(x − 4)

Question 19 (Multiple Choice Worth 4 points)

[8.01] Factor completely: 28a3b4 + 20a2b2 − 16ab3

4ab(7a2b + 5a − 4b2)

4ab2(7a2b + 5a − 4b)

4ab2(7a2b2 + 5a − 4b)

4ab(7a2b3 + 5a − 4b)

Question 20 (Multiple Choice Worth 3 points)

[8.07] Determine which polynomial is a difference of two squares.

y2 − 25

y2 + 25

y2 − 10

y2 + 10

Question 21 (Multiple Choice Worth 4 points)

[8.04] What are the factors of 3x2 + 23x − 8?

(3x − 4)(x + 2)

(3x − 2)(x + 4)

(3x − 8)(x + 1)

(3x − 1)(x + 8)

Question 22 (Multiple Choice Worth 4 points)

[8.01] Factor completely: −4y2 + 12y − 16

−1(4y2 − 12y + 16)

−4y(y2 − 3y + 4)

−4(y2 − 3y + 4)

−4(y2 + 3y − 4)

Answer 2

i will put the anwser 1 sec

Answer 3

1.D
2.B
3D
4B
5D
6A
7D
8A
9C
10B
11B
12A
13C
14A
15C
16C
17C
18 DID NOT GET THIS
19C
20A
21D
22C

Answer 4

did u check them all

Answer 5

1 is C

2-4 is right.

18 is D: factor out the 2 --> 2(x^2 - 8x + 16) = 2(x-4)^2

way too many lol..