
Persamaan dan Fungsi Kuadrat
Authored by Siti Nur Afifah
9th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bentuk umum dari persamaan x2 - 4 = 3(x - 2) adalah ax2 + bx + c = 0, maka nilai a, b dan c berturut-turut adalah….
1, -3 dan 2
1, -2 dan 3
1, 3 dan -2
1, -3 dan 10
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui salah satu akar dari persamaan kuadrat x2 - 4x + c = 0 adalah 2, maka nilai c yang memenuhi persamaan itu adalah….
2
4
-4
6
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui akar-akar dari persamaan x2 - 3x - 10 = 0 adalah x1 dan x2, maka hasil dari x1 + x2 adalah….
3
4
5
7
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui akar-akar dari persamaan 2x2 - 4x - 10 = 0 adalah x1 dan x2, maka hasil dari x1 . x2 adalah….
5
2
-2
-5
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui x1 dan x2 adalah akar-akar dari persamaan x2 + 4x + (a - 4) = 0. Jika x1 = 3x2, maka nilai a yang memenuhi persamaan tersebut adalah …
1
3
4
7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jenis akar-akar dari persamaan x2 - 4x + 4 = 0 adalah….
Real kembar
Real berbeda
Imajiner
Real berlawanan tanda
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Suatu persamaan kuadrat mempunyai akar-akar -2 dan 3, maka persamaan tersebut adalah….
x2 - 2x - 6 = 0
x2 - x + 6 = 0
x2 - x - 6 = 0
x2 + x - 6 = 0
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