
Persamaan Kuadrat Quiz
Authored by Umi Winhandayani
Mathematics
3rd Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tuliskan persamaan kuadrat dari bentuk umum y = ax^2 + bx + c!
y = ax^2 - bx + c
y = ax^2 + bx + c
y = ax^2 - bx - c
y = ax^2 + bx - c
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika a = 2, b = 5, dan c = 3, tuliskan persamaan kuadratnya!
2x^2 - 5x + 3 = 0
2x^2 + 5x + 3 = 0
2x^2 + 3x + 5 = 0
2x^2 + 5x - 3 = 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa nilai diskriminan dari persamaan kuadrat y = 3x^2 + 4x + 1?
Diskriminan = 4^2 - 4(3)(-1) = 16 - (-12) = 28
Diskriminan = 4^2 + 4(3)(1) = 16 + 12 = 28
Diskriminan = 3^2 - 4(3)(1) = 9 - 12 = -3
Diskriminan = 4^2 - 4(3)(1) = 16 - 12 = 4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika nilai diskriminan positif, maka akar persamaan kuadratnya berbentuk apa?
Dua akar real dan berbeda
Dua akar real dan sama
Akar imajiner
Tidak memiliki akar real
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika nilai diskriminan nol, maka akar persamaan kuadratnya berbentuk apa?
Akar imajiner
Akar berbeda
Akar kembar
Akar nol
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika nilai diskriminan negatif, maka akar persamaan kuadratnya berbentuk apa?
Pecahan
Bilangan irasional
Bilangan bulat
Kompleks konjugat
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tentukan nilai a, b, dan c dari persamaan kuadrat y = 4x^2 - 6x + 2!
a = 5, b = -7, c = 3
a = 4, b = -6, c = 2
a = 2, b = -4, c = 6
a = 3, b = -5, c = 1
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