# Algebra 1

1) what is the simplified form of (x-2)(2x+3)? Use the distributive property.
A) 2x^2-x-6
B) 2x^2-6
C)2x^2-7x-6
D) 2x^2 +x-6****

2) what is the simplified form of (3x+2)(4x-3) use a table.
A)12x^2+18x+6
B) 12x^2+x-6
C) 12x^2+18x-6****
D)12x^2-x-6

3) what is the simplified form of (4p-2)(p-4)
A)4p^2+6p-16
B)4p^2-18p+8
C)4p^2-14p-6
D)4p^2-6p+16****

4) the radius of a cylinder is 3x-2 cm. the height of a cylinder is x+3 cm. what is the surface area of the cylinder? Use the formula A=2pi r^2+2pi rh
A) 2pi(3x^2+10x-8)
B) 2pi(12x^2+7x-2)
C) 2pi(12x^2-2x+13)
D) 2pi(12x^2-5x-2)
Pi=the pi symbol I didn't know how to do that

5) what is the simplified form of (2x^2+4x-3)(3x+1)
A) 6x^3+10x^2-5x+5
B) 6x^3+14x+5x-3
C) 6x^3+14x^2-5x-3
D) 6x^3-10x^2-5x-3

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1. @mssue

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2. #1, your middle term is -x , thus A

#2 D

#3 B
How are you doing these, so far they are all wrong
(4p-2)(p-4)
= 4p^2 - 16p - 2p + 8
= 4p^2 - 18p + 8

#4
A = 2πr^2 + 2πrh
= 2π(3x-2)^2 + 2π(3x-2)(x+3)
= 2π[ 9x^2 - 6x - 6x + 4 + 3x^2 + 9x - 2x - 6]
= 2π[12x^2 - 5x - 2] ,
which is D

#5
(2x^2+4x-3)(3x+1)
= 6x^3 + 2x^2 + 12x^2 + 4x - 9x - 3
= 6x^3 + 14x^2 - 5x - 3

I think you will need more practise with these.

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3. Thank you so much, and I know I have been practicing then I jut for some reason don't undertsand

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4. A
D
B
D
C

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5. @Meh is correct

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6. 4.2(2-2x)=-3x
a.-4
b.4
c.6**
d.0

is that right??

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7. meh is 100% correct thanks

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8. MehIsCorrect

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9. A
D
B
D
C
D

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10. me is all right

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11. me, is correct.

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12. thanks meh (:

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13. A
D
B
D
C

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A
D
B
D
C

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15. Algebra 1 B | Unit 3: Polynomials and Factoring
Lesson 3: Multiplying Binomials
---
1. A, 2x^2 - x - 6
2. D, 12x^2 - x - 6
3. B, 4p^2 - 18p + 8
4. D, 2pi(12x^2 - 5x - 2)
5. C, 6x^3 + 14x^2 - 5x - 3

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16. Thanks.

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17. Thanks Meh! Everyone who needs help listen to Meh's answers. They are all right. If you want a 100% on your quick check copy Meh's answers.

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18. for the ones who have only 4Q, its
1.A
2.D
3.B
4.C

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19. meh is right

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20. @me ur 100% right Thnxs!

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21. go stream @ MEH

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22. Thanks Meh

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23. Algebra 1 B | Unit 3: Polynomials and Factoring
Lesson 3: Multiplying Binomials
---
1. A, 2x^2 - x - 6
2. D, 12x^2 - x - 6
3. B, 4p^2 - 18p + 8
4. D, 2pi(12x^2 - 5x - 2)
5. C, 6x^3 + 14x^2 - 5x - 3

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24. Regular maths - go for meh
Honors maths - go for me

All 100%.

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25. there's an entire vid for the answers

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26. @Meh 100% correct

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27. poggers

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28. i live within the world but not

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