Soal SAS Matematika Kelas 9
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Nadania Intan Nabila
Used 7+ times
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24 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui persamaan kuadrat 3x2 - 8x + 1 = 0. Nilai diskriminan persamaan tersebut adalah ....
76
64
54
52
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nilai diskriminan persamaan kuadrat -x2 + 2x - 16 = 0 adalah ...
68
60
-60
-68
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Persamaan berikut yang mempunyai dua akar real berbeda adalah ...
6x2 + 8x + 5 = 0
3x2 + x + 5 = 0
2x2 + 3x - 5 = 0
-x2 + 6x - 9 = 0
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Akar-akar persamaan kuadrat x2 + 11x + 30 = 0 adalah p dan q. Nilai p dan q berturut-turut adalah ...
6 dan 5
6 dan -5
-6 dan 5
-5 dan -6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Akar-akar persamaan kuadrat dari 3x2 - 13x - 10 = 0 adalah ...
x1 = 5 atau x2 = -3
x1 = 5 atau x2 = -2/3
x1 = -5 atau x2 = 3
x1 = -5 atau x2 = 2/3
6.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Akar-akar persamaan kuadrat 2x2 + 9x + 4 = 0 adalah ...
x1 = 4 atau x2 = 1/2
x1 = 4 atau x2 = -1/2
x1 = -4 atau x2 = 1/2
x1 = -4 atau x2 = -1/2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hasil x1+x2 dan x1.x2 secara berturut-turut dari persamaan kuadrat x2 - 5x - 36 adalah ...
-5 dan -36
5 dan 36
-5 dan 36
5 dan -36
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