# Matematika Kelas Xi Sma

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| By Qorryqee
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Qorryqee
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Quizzes Created: 1 | Total Attempts: 502
Questions: 6 | Attempts: 502

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• 1.

• 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

D. -3 atu 1
Explanation

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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

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

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• 4.

• 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

E. 1 dan 1/6
Explanation

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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}

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

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.

• 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

C.  6x2-11x-10=0
Explanation

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• Current Version
• Mar 21, 2023
Quiz Edited by
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• May 08, 2016
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