Algebra

1. Find the degree of the monomial 6p^3 q^2.
A) 2
B) 3****
C) 5
D) 6

2. Simplify (7t^2+9)+(6t^2+8)
A) t^2 +1
B) 13t^2+17
C) 13t^4+ 17****
D) 42t^2+72

3. Simplify 3n(4n^2 + 5n)
A) 12n^3 + 15 n^2*****
B) 7n^2+8n
C) 12n^2 +15n
D) 12n^2 +8n

4. Factor 18s-63
A) 9(2s+7)
B) 6(3s-11)
C) 18(s-3)
D) 9(2s-7)*****

5. What is the simpler form of ( 5x^3 +2)(5x^3-2)
A) 25x^6+20x^3-4****
B) 25x^6 - 20 x^3-4
C) 25x^9-4
D) 25x^6-4

6. Simplify (x + 7)(x+5)
A) x^2 + 12x+35
B) x^2+35
C) x^2+12x+12
D) x^2+12x+2

7. Simplify (2z-3)^2
A) 4z^2-9
B) 4z^2-9z
C) 4z^2-12z-9****
D) 4z^2-12z+9

  1. 👍 3
  2. 👎 2
  3. 👁 4,079
asked by Olaf
  1. 1. C

    The degree of a monomial is the sum of the exponents of all its variables.

    3 + 2 = 5


    2.

    B

    ( 7 t ^ 2 + 9 ) + ( 6 t ^ 2 + 8 ) =

    7 t ^ 2 + 9 + 6 t ^ 2 + 8 =

    13 t ^ 2 + 17


    3.

    A


    4

    D


    5.

    D

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

    5 x ^ 3 * 5 x ^ 3 + 5 x ^ 3 * 2 - 2 * 5 x ^ 3 - 2 * 2 =

    25 x ^ 6 + 10 x ^ 3 - 10 x ^ 3 - 4 =

    25 x ^ 6 - 4


    6.

    A

    ( x + 7 ) ( x + 5 ) =

    x * x + x * 7 + 5 * x + 5 * 7 =

    x ^ 2 + 7 x + 5 x + 35 =

    x ^ 2 + 12 x + 35 =


    7 .

    D

    ( 2 z - 3 ) ^ 2 =

    ( 2 z ) ^ 2 - 2 * 2 z * 3 + ( - 3 ) ^ 2 =

    4 z ^ 2 - 12 z + 9

    1. 👍 19
    2. 👎 1
    posted by Bosnian
  2. Thank you

    1. 👍 2
    2. 👎 1
    posted by Olaf
  3. Thank you, this was all correct.

    1. 👍 4
    2. 👎 2
    posted by 666
  4. Thx

    1. 👍 1
    2. 👎 2
    posted by Hi
  5. 1. C
    2. B
    3. A
    4. D
    5. D
    6. A
    7. D
    8. The area of the shaded region will be the area of the rectangle minus the area of the white square inside of it:

    ((x+10)(2x+5)) - ((x+1)(x+1))

    First, FOIL both of the areas separately:

    (2x^2 + 5x + 20x + 50) - (x^2 + x + x + 1)

    Simplify within the parentheses by adding like terms:

    (2x^2 + 25x + 50) - (x^2 + 2x + 1)

    Now, subtract one equation from the other:

    2x^2 + 25x + 50
    -x^2 - 2x - 1
    = x^2 + 23x + 49

    This will be the equation for the area.

    1. 👍 36
    2. 👎 1
    posted by Jack
  6. Just here to verify that Jack's answers are correct for Connexus users. :) The Workpad one is also correct!

    1. 👍 2
    2. 👎 0
  7. i think they changed the work pad question

    1. 👍 0
    2. 👎 1
    posted by me=lazy
  8. I'm not sure about the Work Pad question, as I just turned in the quiz, however, I can vouch for Jack and say that the rest are correct. Just got 7/7. Thanks, Jack.

    1. 👍 1
    2. 👎 0
  9. Jack you're amazing you gave me 7/7 :)

    1. 👍 1
    2. 👎 0
  10. Thank you so much, Jack!

    1. 👍 1
    2. 👎 0
    posted by Bibble
  11. 1. C
    2. B
    3. A
    4. D
    5. D
    6. A
    7. D
    all correct got 100%

    1. 👍 8
    2. 👎 1
  12. jack 100% for 2019 and at my school they did away with workpad problems

    1. 👍 3
    2. 👎 0
  13. The first response was 100%, 3/7

  14. Jack is correct

    1. 👍 0
    2. 👎 0
    posted by Tawnix
  15. Unit 3: Polynomials and Factoring Lesson 4: Multiplying Special Cases
    ---
    1. C, 5
    2. B, 13t^2 + 17
    3. A, 12n^3 + 15n^2
    4. D, 9(2s - 7)
    5. D, 25x^6-4
    6. A, x^2 + 12x + 35
    7. D, 4z^2 - 12z + 9
    ---
    7/7 :)
    ---
    Skel#0532

    1. 👍 4
    2. 👎 0
    posted by Skel
  16. 1. C
    2. B
    3. A
    4. D
    5. D
    6. A
    7. D
    8. C
    9. B
    For the 9 question test

    1. 👍 4
    2. 👎 0
  17. --Rest In Paradies-- Is right

    1. 👍 0
    2. 👎 0
    posted by Jobis

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