
PERSAMAAN KUADRAT
Quiz
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Nur Mayanti
Used 1+ times
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7 questions
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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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