
Jumlah dan hasil kali akar" Pers. Kuadrat
Quiz
•
Others
•
10th Grade
•
Hard
Fadli Rosihan Lubis
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Akar-akar persamaan dari x2 + 3x + 2 = 0 adalah x1 dan x2. Jumlah dari x1 dan x2 adalah
2
3
-2
-3
2.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Akar-akar persamaan dari x2 + 6x + 8 = 0 adalah x1 dan x2. Hasil kali dari x1 dan x2 adalah
6
7
8
9
3.
MULTIPLE CHOICE QUESTION
45 sec • 15 pts
Jika akar-akar persamaan dari x2 + px - 16 = 0 adalah 2 dan -8, maka p adalah
4
6
8
10
4.
MULTIPLE CHOICE QUESTION
1 min • 15 pts
x1 dan x2 merupakan akar-akar persamaan x2 - 2x + 4 = 0. Hitunglah jumlah dari x12 + x22
4
8
-4
-2
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
x1 dan x2 merupakan akar-akar persamaan x2 + 3x - 10 = 0. Hitunglah (x1 + 5)2 + (x2 + 5)2
49
36
64
25
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
x1 dan x2 merupakan akar-akar persamaan x2 + 4x - 12 = 0. Hitunglah (x1 - 1)2 + (x2 - 1)2
20
30
40
50
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Akar-akar persamaan dari x2 + 2x - 15 = 0 adalah
3 atau 5
3 atau -5
-3 atau 5
-3 atau -5
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