PERSAMAAN KUADRAT

PERSAMAAN KUADRAT

9th - 12th Grade

7 Qs

quiz-placeholder

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PERSAMAAN KUADRAT

PERSAMAAN KUADRAT

Assessment

Quiz

Mathematics

9th - 12th Grade

Practice Problem

Hard

Created by

Nur Mayanti

Used 1+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 5 pts

Bentuk umum persamaan kuadrat adalah...

ax + b = 0

ax² + bx + c = 0

ax³ + bx² + cx + d = 0

ax + by + c = 0

2.

MULTIPLE CHOICE QUESTION

10 sec • 5 pts

Nilai diskriminan (D) dari persamaan kuadrat ax² + bx + c = 0 adalah...

b² - 4ac

4ac - b²

a² - 4bc

4bc - a²

3.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Jika nilai diskriminan (D) dari suatu persamaan kuadrat lebih besar dari 0 (D > 0), maka akar-akar persamaan kuadrat tersebut...

Real dan berbeda

Real dan sama

Imajiner

Tidak dapat ditentukan

4.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Akar-akar persamaan kuadrat x² - 5x + 6 = 0 adalah...

x₁ = 2, x₂ = 3

x₁ = -2, x₂ = -3

x₁ = 1, x₂ = 6

x₁ = -1, x₂ = -6

5.

MULTIPLE CHOICE QUESTION

20 sec • 10 pts

Jumlah akar-akar persamaan kuadrat ax² + bx + c = 0 adalah... a. b. c. d.

-b/a

b/a

-c/a

c/a

6.

FILL IN THE BLANK QUESTION

5 mins • 10 pts

Jika α dan β adalah akar-akar persamaan kuadrat x² - 5x + 3 = 0, maka nilai dari α² + β² adalah...

7.

FILL IN THE BLANK QUESTION

5 mins • 10 pts

Persamaan kuadrat yang akar-akarnya 2 kali akar-akar persamaan x² - 3x + 2 = 0 adalah...

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