PH persamaan Kuadrat Kelas 9
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Nur Hidayatul Khomsah
Used 2+ times
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15 questions
Show all answers
1.
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
3 dan -5
2.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
Jika a dan b merupakan akar-akar dari x² – 15x + 50, maka nilai a dan b itu adalah…
5 dan -10
-5 dan 10
-5 dan -10
5 dan 10
3.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
Diketahui p dan q adalah akar-akar dari 2x² – 2x – 24, berapa nilai p dan q itu?
-3 dan -4
3 dan -4
-3 dan 4
3 dan 4
4.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
Jika c dan d diketahui sebagai akar-akar dari persamaan x² + 5x – 24, maka c + d adalah?
-1
-3
-5
-7
5.
MULTIPLE CHOICE QUESTION
5 mins • 7 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…
9
3
12
6
6.
MULTIPLE CHOICE QUESTION
5 mins • 6 pts
Jika akar-akar dari 2x² – 20x + 32 adalah y dan z, maka (y × z) hasilnya adalah…
4
-8
8
16
7.
MULTIPLE CHOICE QUESTION
5 mins • 7 pts
Berapakah nilai yang paling mungkin dari (4p-2q) jika p serta q adalah akar-akar persamaan x² – 14x + 48?
16
8
4
24
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