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Persamaan dan Fungsi Kuadrat (1)

Authored by Ulfi Samsiah

Mathematics

10th Grade

Used 2+ times

Persamaan dan Fungsi Kuadrat (1)
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Apa rumus umum dari persamaan kuadrat?

ax^2 + bx + c = 0

a + bx + c = 0

ax^2 + b + c = 0

ax^2 + b = 0

2.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Selesaikan persamaan kuadrat berikut: x² - 5x + 6 = 0

x = 0, x = 6

x = -2, x = -3

x = 1, x = 4

x = 2, x = 3

3.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

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

-4

1

2

0

4.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Tentukan akar-akar dari fungsi kuadrat f(x) = x² - 4.

x = -1

x = 1

x = 2, x = -2

x = 0

5.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Jika diskriminan D = 0, apa yang dapat disimpulkan tentang akar-akar persamaan kuadrat?

Persamaan kuadrat memiliki satu akar ganda.

Persamaan kuadrat tidak memiliki akar.

Persamaan kuadrat memiliki akar kompleks.

Persamaan kuadrat memiliki dua akar berbeda.

6.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Selesaikan persamaan kuadrat 3x² - 12x + 9 = 0.

x = 0, x = 4

x = -1, x = 6

x = 2, x = 5

x = 3, x = 1

7.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Hitung nilai diskriminan dari persamaan kuadrat x² + 2x + 1 = 0.

-1

1

0

2

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