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Persamaan Kuadrat Quiz

Authored by Rahmat Wijaya

Other

10th Grade

Used 2+ times

Persamaan Kuadrat Quiz
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(x - 1)(x - 6) = 0

(x - 2)(x - 3) = 0

(x + 2)(x - 3) = 0

(x - 2)(x + 3) = 0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hitung akar persamaan kuadrat x^2 - 4x + 4 = 0.

x = 2

x = -2

x = 1

x = 3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tentukan nilai diskriminan dari persamaan kuadrat x^2 + 3x - 4 = 0.

9

25

-7

16

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika akar persamaan kuadrat x^2 - 9 = 0 adalah x = 3 dan x = -3, susunlah persamaan kuadrat tersebut.

x^2 + 9 = 0

x^2 + 3 = 0

x^2 - 3 = 0

x^2 - 9 = 0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Selesaikan persamaan kuadrat 2x^2 + 5x - 3 = 0 dengan rumus abc.

x1 = 0.5, x2 = -3

x1 = -1, x2 = 3

x1 = 2, x2 = -1

x1 = 1, x2 = -2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berapakah akar persamaan kuadrat x^2 - 7x + 12 = 0?

x = 8 atau x = 9

x = 6 atau x = 1

x = 2 atau x = 5

x = 4 atau x = 3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apakah persamaan kuadrat x^2 - 2x - 8 = 0 memiliki akar real atau tidak?

Akar real karena diskriminan = 0

Akar real karena diskriminan = (-2)^2 - 4*1*(-8) = 4 + 32 = 36 > 0

Akar imajiner karena diskriminan < 0

Akar real karena diskriminan > 0

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