Penilaian Harian Persamaan Kuadrat 9

Quiz
•
Mathematics
•
9th Grade
•
Hard
Umi Azizah
Used 4+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Salah satu akar persamaan kuadrat x2 + (m + 5) x + 28 = 0 adalah -4. Nilai m adalah ... .
-6
6
7
-7
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Nilai diskriminan persamaan kuadrat -3x2 + 7x - 13 = 0 adalah ... .
107
70
-70
-107
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Jenis akar persamaan kuadrat x2 - 7x + 30 = 0 adalah ... .
memiliki akar nol
memiliki akar nyata dan berbeda
tidak memiliki akar
memiliki akar yang kembar
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
7
14
28
35
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Persamaan kuadrat -2x2 + 5x + 12 = 0 mempunyai akar-akar p dan q. Nilai 8p2 + 8q2 adalah ... .
62
75
96
146
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Hasil penjumlahan akar-akar persamaan kuadrat 3x2 - 6x + 7 = 0 adalah ... .
-6
2
-2
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Akar-akar persamaan kuadrat x2 - 14x - 32 = 0 adalah ... .
8 dan 4
-8 dan 4
-16 dan 2
16 dan -2
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