
Persamaan Kuadrat kls 9
Authored by Azis Noval
Social Studies
Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimanakah bentuk umum persamaan kuadrat?
ax² + c = 0
ax² + bx + c = 0
p + q = p x q
ax - c
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tentukan akar dari persamaan kuadrat x² + 5x + 6 = 0.
x1 = 5, x2 = 0
x1 = 6, x2 = -1
x1 = 4, x2 = 1
x1 = -3 ,x2 = -2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hitung nilai diskriminan dari persamaan kuadrat 2x² + 4x + 2 = 0.
2
8
0
-4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tentukan akar dari persamaan kuadrat x² + 2x - 8 = 0.
-2, 4
-1, 1
2, -4
0, 8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ubahlah kedalam bentuk umum persamaan kuadrat dari persamaan 3x² = 12x - 4 - 5
3x² + 12x - 9 = 0
3x² - 12 = 0
-9
3x² - 12x + 9 = 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selesaikan persamaan kuadrat x² - 4 = 0 dan tentukan akarnya.
x = 0
x = 2, x = -2
x = -3
x = 3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika a = 1, b = -3, dan c = 2, berapa nilai diskriminan dari persamaan kuadrat tersebut?
-1
4
0
1
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