Jumlah dan Hasil Kali Akar-akar Pers. Polinomial

Quiz
•
Mathematics
•
11th Grade
•
Medium
Aa Hidayat
Used 11+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Misalkan x1, x2, dan x3 adalah akar-akar persamaan polinomial x3 - 5x2 - 8x + 9 = 0. Nilai dari x1 + x2 + x3 adalah ...
-8
-5
1
5
8
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Misalkan p, q, dan r adalah akar-akar persamaan polinomial 2x3 + 5x2 - 11x + 20 = 0. Nilai dari pqr adalah ...
-20
-10
10
11
20
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika akar-akar persamaan polinomial x3 - 2x2 - 5x + 6 = 0 adalah x1, x2, dan x3, nilai 3x1 + 3x2 + 3x3 adalah ...
6
3
2
-2
-6
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Salahsatu akar persamaan x3 + ax2 - (2a + 1)x - 3a = 0 adalah 2. Hasil kali akar yang lainnya adalah ...
-6
-3
3
4
6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika p, q, r, dan s akar-akar persamaan polinomial x4 - 2x3 - 7x2 + 8x + 12 = 0, nilai adalah ...
6
2
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