
Persamaan kuadrat
Authored by Rigen Darmawan
Mathematics
8th - 9th Grade
Used 7+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui bentuk umum dari persamaan x2 – 3 = 4(x – 2) adalah ax2 + bx + c = 0. Tentukan nilai a, b, dan c dari persamaan kuadrat tersebut!
1, -4 dan 5
-1, 4 dan -5
1, 4 dan -5
-1, -4 dan 5
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui salah satu akar dari persamaan kuadrat x2 – 6x + c = 0 adalah 3. Tentukan nilai c yang memenuhi persamaan kuadrat tersebut...
3
6
9
12
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui salah satu akar dari persamaan kuadrat x2 + 3x + c = 0 adalah 4. Tentukan nilai akar lainnya....
-5
5
-7
7
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Selesaikan persamaan x2 – 4 x + 3 = 0 dengan memfaktorkan
3 atau 2
2 atau 4
3 atau 1
2 atau 1
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Akar-akar persamaan kuadrat 2x² – 13x + 15 = 0 adalah …
3/2 dan 6
3/2 dan 5
1 dan 6
2 dan 3
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika salah satu dari akar persamaan kuadrat x² + 2x + c = 0 adalah 3, maka akar lainnya adalah
5
3
-5
-15
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Himpunan penyelesaian dari persamaan x² + 5x + 6 = 0 adalah
-2 ,-3
-2, 3
2, -3
2, 3
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