Question

check the answers i have to see if there right

Answer 1

1. [8.01] Identify the GCF for 12a4b3 − 18a3b2 + 24a2b. (3 points)
6a2b2
12a2b
12ab
6a2b
2. [8.01] Factor completely: −4y2 + 12y − 16 (4 points)
−1(4y2 − 12y + 16)
−4y(y2 − 3y + 4)
−4(y2 − 3y + 4)
−4(y2 + 3y − 4)
3. [8.01] Factor completely: 15x5y + 35x3y3 (4 points)
5xy(3x4 + 7x2y)
5x2y(3y + 7x)
5x3y(3x2 + 7y2)
x3y(15x2 +35y2)
4. [8.01] Factor completely: 12a3b + 8a2b2 − 20ab3 (4 points)
4ab(3a + 2ab − 5b2)
4ab(3a2 + 2ab − 5b2)
4a2b(3a3b − 2a2b2 − 5ab3)
4a2b(3a2 + 2ab − 5)
5. [8.02] What are the factors of 6a2 + 2ab + 21a + 7b? (4 points)
(6a + b)(a + 7)
(6a + 7)(a + b)
(2a + b)(3a + 7)
(2a + 7)(3a + b)
6. [8.02] Identify the factors of 6ab − 8a + 21b − 28. (3 points)
(2a + 4)(3b − 7)
(2a − 4)(3b + 7)
(2a + 7)(3b − 4)
(2a − 7)(3b + 4)
7. [8.02] Factor completely: 2x3 + 10x2 + 6x + 30 (4 points)
(2x2 + 6)(x + 5)
(x2 + 3)(2x + 10)
2[(x2 + 3)(x + 5)]
2(x3 + 5x2 + 3x + 15)
8. [8.03] Determine the factors of x2 − 10x + 24. (3 points)
(x + 6)(x + 4)
(x − 3)(x − 8)
(x + 3)(x + 8)
(x − 6)(x − 4)
9. [8.03] What are the factors of x2 − 7x − 30? (3 points)
(x − 10)(x + 3)
(x + 10)(x − 3)
(x + 15)(x − 2)
(x − 15)(x + 2)
10. [8.03] Determine the factors of x2 − 7x − 10. (4 points)
(x + 2)(x − 5)
Prime
(x − 2)(x + 5)
(x + 10)(x − 1)
11. [8.03] Factor completely: 2x2 − 6x − 36 (4 points)
2(x − 3)(x + 6)
2(x − 6)(x + 3)
(2x − 4)(x +9)
(2x − 9)(x + 4)
12. [8.04] Identify the factors of 3a2 + a − 14. (3 points)
(3a + 7)(a − 2)
(3a − 7)(a + 2)
(3a + 14)(a − 1)
(3a − 14)(a + 1)

Answer 2

1. d
2. d
3. c
4. b
5. d
6. c
7. a
8. a
9. a
10. b
11. b
12.a

Answer 3

2 is wrong

Answer 4

i tried again is it −4(y2 − 3y + 4)

Answer 5

yes, it's c

Answer 6

okay

Answer 7

sorry i'm slow. i'm working out the others ok

Answer 8

ok

Answer 9

7 is wrong

Answer 10

8 is wrong too

Answer 11

is 7 c?

Answer 12

and is 8 d?

Answer 13

yes

Answer 14

working on 12 now

Answer 15

ok

Answer 16

12 is right

Answer 17

so you should be all good now

Answer 18

thnz im gonna have to do this to the other half can i tag u in it for help?

Answer 19

yea, i guess that'll be ok