
Persamaan Kuadrat Kelas X

Quiz
•
Mathematics
•
10th Grade
•
Medium
Ulfi Samsiah
Used 4+ times
FREE Resource
23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa bentuk umum dari persamaan kuadrat?
ax^2 + bx + c = 0
ax^2 + b = 0
a + bx + c = 0
ax^2 + b + c = 0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa banyak akar yang dimiliki persamaan kuadrat?
4
-1
3
akar kembar, akar tunggal, tidak memiliki akar
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika a = 1, b = -3, dan c = 2, berapa akar-akar dari persamaan kuadrat tersebut?
x1 = 0, x2 = 4
x1 = 1, x2 = -2
x1 = -1, x2 = 3
x1 = 2, x2 = 1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dimaksud dengan diskriminan dalam persamaan kuadrat?
Diskriminan adalah jumlah dari semua koefisien dalam persamaan kuadrat.
Diskriminan adalah nilai yang menunjukkan kemiringan grafik fungsi kuadrat.
Diskriminan digunakan untuk menghitung luas segitiga.
Diskriminan adalah nilai D = b^2 - 4ac yang menentukan jumlah dan jenis akar persamaan kuadrat.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika diskriminan D > 0, apa yang dapat kita simpulkan tentang akar-akar persamaan kuadrat?
Persamaan kuadrat memiliki dua akar yang berbeda dan nyata.
Persamaan kuadrat memiliki satu akar yang kembar.
Persamaan kuadrat tidak memiliki akar nyata.
Persamaan kuadrat memiliki dua akar yang sama dan kompleks.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selesaikan persamaan kuadrat x² - 5x + 6 = 0.
x = 0, 6
x = -2, -3
x = 2, 3
x = 1, 4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa rumus untuk mencari akar-akar persamaan kuadrat?
x = (b ± 4ac) / (2b)
x = (b ± √(b² + 4ac)) / (2a)
x = (-b ± √(b² - 4ac)) / (2a)
x = (2a ± b) / √(b² - 4ac)
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