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Persamaan Kuadrat kls 9

Authored by Azis Noval

Social Studies

Professional Development

Used 8+ times

Persamaan Kuadrat kls 9
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bagaimanakah bentuk umum persamaan kuadrat?

ax² + c = 0

ax² + bx + c = 0

p + q = p x q

ax - c

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tentukan akar dari persamaan kuadrat x² + 5x + 6 = 0.

x1 = 5, x2 = 0

x1 = 6, x2 = -1

x1 = 4, x2 = 1

x1 = -3 ,x2 = -2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Hitung nilai diskriminan dari persamaan kuadrat 2x² + 4x + 2 = 0.

2

8

0

-4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tentukan akar dari persamaan kuadrat x² + 2x - 8 = 0.

-2, 4

-1, 1

2, -4

0, 8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ubahlah kedalam bentuk umum persamaan kuadrat dari persamaan 3x² = 12x - 4 - 5

3x² + 12x - 9 = 0

3x² - 12 = 0

-9

3x² - 12x + 9 = 0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Selesaikan persamaan kuadrat x² - 4 = 0 dan tentukan akarnya.

x = 0

x = 2, x = -2

x = -3

x = 3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jika a = 1, b = -3, dan c = 2, berapa nilai diskriminan dari persamaan kuadrat tersebut?

-1

4

0

1

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