Matematika Kelas Xi Sma

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| By Qorryqee
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Qorryqee
Community Contributor
Quizzes Created: 1 | Total Attempts: 546
Pertanyaan: 6 | Attempts: 546

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Matematika Kelas Xi Sma - Quiz


Questions and Answers
  • 1. 

    Upload your response

  • 2. 

    Nilai x yang memenuhi persamaan x2-6x+9=0...

    • A.

      3

    • B.

      -3

    • C.

      3 atau -3

    • D.

      -3 atu 1

    • E.

      1 atau 3

    Correct Answer
    D. -3 atu 1
    Explanation
    nilai x yang memenuhi persamaan x2-6x+9=0... adalah -3 atau 1

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  • 3. 

    Jika(x+a)(x-3)= x2+6x-27 maka a sama dengan...

    • A.

      -9

    • B.

      -2

    • C.

      2

    • D.

      3

    • E.

      9

    Correct Answer
    E. 9
    Explanation
    Jika(x+a)(x-3)= x2+6x-27 maka a sama dengan 9

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  • 4. 

    Akar-akar persamaan kuadrat 6x2-5x+1=0 adalah...

    • A.

      -1/(3 ) dan - 1/2

    • B.

      1 dan 6

    • C.

      -1/(3 ) dan 1/2

    • D.

      1/(3 ) dan 1/2

    • E.

      1 dan 1/6

    Correct Answer
    E. 1 dan 1/6
    Explanation
    Akar-akar persamaan kuadrat 6x2-5x+1=0 adalah 1 dan 1/6

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  • 5. 

    Himpunan penyelesaian dari persamaan 3x2+x-2=0 adalah...

    • A.

      {-2/3,1}

    • B.

      {-2/3,-1}

    • C.

      {2/3,-3}

    • D.

      {-1,2/3}

    • E.

      {-9,-5/16}

    Correct Answer
    C. {2/3,-3}
    Explanation
    himpunan penyelesaian dari persamaan 3x2+x-2=0 adalah {2/3,-3}

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  • 6. 

    Persamaan kuadrat yang mempunyai titik balik (1,-4) dan melalui titik(2,-3) adalah...

    • A.

      Y=X2 - 2x -4

    • B.

      Y=2X2 - x -5

    • C.

      Y=X2 - 2x -7

    • D.

      Y=X2 - 2x -3

    • E.

      Y=2X2 - 2x -7

    Correct Answer
    D. Y=X2 - 2x -3
    Explanation
    persamaan kuadrat yang mempunyai titik balik (1,-4) dan melalui titik(2,-3) adalah y= x2-2x-3

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  • 7. 

    Persamaan kuadrat yang akar-akarnya -2/3 dan 5/2 adalah...

    • A.

      6x2-11x+30=0

    • B.

       6x2-11x-15=0

    • C.

       6x2-11x-10=0

    • D.

       6x2+11x-7=0

    • E.

       6x2+11x+10=0

    Correct Answer
    C.  6x2-11x-10=0
    Explanation
    persamaan kuadrat yang akar-akarnya -2/3 dan 5/2 adalah 6x2-11x-10=0

    Rate this question:

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 08, 2016
    Quiz Created by
    Qorryqee
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