QUIZ
Descompuneri in factori folosind factorul comun- PH
leonard_cotac
12 days ago
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  • Question 1
    30 seconds
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    Q.


     ab+ac=a\cdot b+a\cdot c=  

    answer choices

     a(bc)a\cdot\left(b-c\right)  

     a(b+c)a\cdot\left(b+c\right)  

     b(a+c)b\cdot\left(a+c\right)  

     c(a+b)c\cdot\left(a+b\right)  

  • Question 2
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    Q.

    Factorul comun pentru suma 2x+4 este egal cu ... .

    answer choices

    1

    x

    2

    4

  • Question 3
    30 seconds
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    Q.

    Descompunerea in factori a expresiei

    3x+3y

    este:

    answer choices

    3(x+y)

    3(x+1)

    3xy

    6xy

  • Question 4
    30 seconds
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    Q.

    Descompuneți în factori:
     5x+105x+10  

    answer choices

     x(5+x)x\left(5+x\right)  

     5(x+2)5\left(x+2\right)  

     10(x+5)10\left(x+5\right)  

     5(x2)5\left(x-2\right)  

  • Question 5
    45 seconds
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    Q.

    Factorul comun al expresiei 3x∙(2x – 3) – 2(2x - 3) =

    answer choices

    2x-3

    3x-2

    (2x – 3)(3x – 2)

    6x2 -13x +6

  • Question 6
    60 seconds
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    Q.

    Descompunerea in factori a expresiei

     4x28x  4x^2-8x\ \   

    answer choices

    4x(x-2)

    4x(x-8)

    4(x-2x)

    4x(x-2x)

  • Question 7
    60 seconds
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    Q.

    Descompuneți în factori:
     6x23x=6x^2-3x=  

    answer choices

     3x(2x1)3x\left(2x-1\right)  

     x2(63x)x^2\left(6-3x\right)  

     (x3)2\left(x-3\right)^2  

     3(6x2x)3\left(6x^2-x\right)  

  • Question 8
    30 seconds
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    Q.

    Descompuneți în factori:
     4x44x-4  

    answer choices

     4(x+1)4\left(x+1\right)  

     4x+14-x+1  

     4(x1)4\left(x-1\right)  

     x(4x)x\left(4-x\right)  

  • Question 9
    30 seconds
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    Q.

    Descompunerea in factori a expresiei

    3x+3y

    este:

    answer choices

    3(x+y)

    3(x+1)

    3xy

    6xy

  • Question 10
    60 seconds
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    Q.

    Factorul comun pentru suma 2x + 6 este egal cu ... .

    answer choices

    1

    x

    2

    4

  • Question 11
    45 seconds
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    Q.

    Descompuneți în factori:
     x4+x3+x2x^4+x^3+x^2  

    answer choices

     4(x32)4\left(x-3-2\right)  

     x2(x2+x+1)x^2\left(x^2+x+1\right)  

     x4(x3+x2+x)x^4\left(x^3+x^2+x\right)  

     2(x21)2\left(x^2-1\right)  

  • Question 12
    120 seconds
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    Q.

    21a9-14a7-28a5=

    answer choices

    7a5(3a4-2a2-4)

    7a5(3a4-4a2-4)

    7a5(3a3-2a2-4)

    7a4(3a4-2a2-4)

  • Question 13
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    Q.

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

    answer choices

    (x-2)(3x+2)

    (x-2)(3x-8)

    (x-2)(3x-2)

    (x-2)(3x+8)

  • Question 14
    60 seconds
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    Q.

    63x5-27x2=

    answer choices

    9x(7x3-3)

    9x2(7x2-3)

    9x2(7x3-3)

    9x3(7x-3)

  • Question 15
    120 seconds
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    Q.

    (x+6)(2x-5)-7(2x-5)=

    answer choices

    (2x-5)(x+1)

    (2x-5)(x-13)

    (2x-5)(x-1)

    (2x-5)(x-2)

  • Question 16
    120 seconds
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    Q.

    (3a-2)(5a-7)+5(2-3a)=

    answer choices

    (3a-2)(5a+2)

    (3a-2)(5a+12)

    (3a-2)(5a-1)

    (3a-2)(5a-12)

  • Question 17
    120 seconds
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    Q.

    (3x-4)(2x+9)+(2x+9)(5x-7)=

    answer choices

    (2x+9)(8x-3)

    (2x+9)(8x-11)

    (2x+9)(7x-11)

    (2x+9)(8x-9)

  • Question 18
    120 seconds
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    Q.

    (4a-5)(2a-3)-(4a-5)(a-1)=

    answer choices

    (4a-5)(a-2)

    (4a-5)(a+2)

    (4a-5)(a-1)

    (4a-5)(a-4)

  • Question 19
    180 seconds
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    Q.

    (x-1)(5x-2)-(1-x)(2x+3)=

    answer choices

    (x-1)(3x-1)

    (x-1)(3x+1)

    (x-1)(7x-1)

    (x-1)(7x+1)

  • Question 20
    45 seconds
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    Q.

    Descompunerea in factori a expresiei

    x(x+1)+3(x+1)

    este:

    answer choices

    x+1

    (x+1)(x+3)

    x+3

    x(x+1)

  • Question 21
    30 seconds
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    Q.

    Descompunerea in factori a expresiei

    x(x+1)+3(x+1)

    este:

    answer choices

    x+1

    (x+1)(x+3)

    x+3

    x(x+1)

  • Question 22
    30 seconds
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    Q.

    Descompuneți în factori:
     (2x+5)(x+3)4(2x+5)\left(2x+5\right)\left(x+3\right)-4\left(2x+5\right)  

    answer choices

     (2x+5)(2x+5)\left(2x+5\right)\left(2x+5\right)  

     (x+5)(x3+4)=(x+5)(x+1)\left(x+5\right)\left(x-3+4\right)=\left(x+5\right)\left(x+1\right)  

     (2x+5)(x+34)=(2x+5)(x1)\left(2x+5\right)\left(x+3-4\right)=\left(2x+5\right)\left(x-1\right)  

     (x3)(2x+1)\left(x-3\right)\left(2x+1\right)  

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