MTK kelas IX B

Quiz
•
Mathematics
•
9th Grade
•
Hard
PUTRI WIJAYANTI RUKHMANA
Used 5+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 6 pts
Nilai a, b, dan c dari persamaan kuadrat 2x - 3x2 = 0 secara berturut-turut adalah…
2, -3, 1
-3, 2, 1
2, -3, 0
-3, 2, 0
2.
MULTIPLE CHOICE QUESTION
5 mins • 6 pts
Persamaan kuadrat yang akarnya -2 dan 4 adalah…
x2 - 2x + 8 = 0
x2 - 2x - 8 = 0
x2 + 2x + 8 = 0
x2 + 2x - 8 = 0
3.
MULTIPLE CHOICE QUESTION
5 mins • 6 pts
Hasil dari (3x - 7) (x + 6) adalah…
3x2 - 11x - 42
3x2 + 11x - 42
-3x2 + 25x - 42
3x2 + 25x - 42
4.
MULTIPLE CHOICE QUESTION
5 mins • 6 pts
Berapakah himpunan penyelesaian dari persamaan kuadrat ini x2 + 2x – 15?
3 dan 5
-3 dan -5
3 dan -5
5 dan 5
5.
MULTIPLE CHOICE QUESTION
5 mins • 6 pts
Diketahui persamaan kuadrat x2 – 12x + 27, e dan f merupakan akar-akar dari persamaan tadi. Nilai yang cocok untuk memenuhi nilai (e – f) adalah…
3
6
9
12
6.
MULTIPLE CHOICE QUESTION
5 mins • 6 pts
Hitunglah nilai diskriminan dari persamaan kuadrat ini: x2 + 4x + 4 = 0
0
4
8
16
7.
MULTIPLE CHOICE QUESTION
5 mins • 6 pts
Hitung diskriminan dari persamaan kuadrat 2x2 − 3x + 1 = 0!
-7
0
1
5
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