
Persamaan Kuadrat Quiz
Authored by Rahmat Wijaya
Other
10th Grade
Used 2+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(x - 1)(x - 6) = 0
(x - 2)(x - 3) = 0
(x + 2)(x - 3) = 0
(x - 2)(x + 3) = 0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hitung akar persamaan kuadrat x^2 - 4x + 4 = 0.
x = 2
x = -2
x = 1
x = 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tentukan nilai diskriminan dari persamaan kuadrat x^2 + 3x - 4 = 0.
9
25
-7
16
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika akar persamaan kuadrat x^2 - 9 = 0 adalah x = 3 dan x = -3, susunlah persamaan kuadrat tersebut.
x^2 + 9 = 0
x^2 + 3 = 0
x^2 - 3 = 0
x^2 - 9 = 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selesaikan persamaan kuadrat 2x^2 + 5x - 3 = 0 dengan rumus abc.
x1 = 0.5, x2 = -3
x1 = -1, x2 = 3
x1 = 2, x2 = -1
x1 = 1, x2 = -2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah akar persamaan kuadrat x^2 - 7x + 12 = 0?
x = 8 atau x = 9
x = 6 atau x = 1
x = 2 atau x = 5
x = 4 atau x = 3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah persamaan kuadrat x^2 - 2x - 8 = 0 memiliki akar real atau tidak?
Akar real karena diskriminan = 0
Akar real karena diskriminan = (-2)^2 - 4*1*(-8) = 4 + 32 = 36 > 0
Akar imajiner karena diskriminan < 0
Akar real karena diskriminan > 0
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