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Mathematics

10th Grade

Used 4+ times

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10 questions

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1.

FILL IN THE BLANK QUESTION

45 sec • 1 pt

-5+7-8+11

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2x + 2(x - z + 5) - 5z = 12

4x + 7z = 22

4x - 7z = 2

4x + 3z = 2

4x - 7z = 22

4x - 3z = 2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Diketahui persamaan 3x + 4y - z = 10 dan

3x -5y + 2z = 5

Jika kita eliminasi x maka persamaannya menjadi...

9y + z = 5

9y - z = 5

y + 3z = 5

y + z = 5

9z - 3z = 5

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Diketahui

2x + y - z = 1 .... (1)

3x + 2y + 2z = 2 .... (2)

x - 2y + z = 3 ....(3)

Jika nilai x dipersamaan (3) disubstitusikan ke persamaan (1) maka persamaan baru nya adalah...

5y - 3z = -5

5y + z = 5

5y + 3z = 5

5y - 3z = 7

5y + z = 7

5.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Jika x = 2, y = 1 dan z = -3 maka nilai dari

3x - 5y + 2z = ...

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui

x - 3y + 3z = -6 .... (1)

2x + y - z = 0.... (2)

3x - 3y + 2z = 1 .... (3)

Jika kita akan mengeliminasi nilai z pada persamaan (2) dan (3) maka persamaannya menjadi...

7x + 5y = 1

7x - 5y = 1

x - y = 1

7x - y = 1

x + 5y = 1

7.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Jika x = y + 2

y = 3

dan z = -5

Maka nilai dari 2x - 3y - 2z

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