LATIHAN SOAL AKAR PERSAMAAN KUADRAT

Quiz
•
Mathematics
•
12th Grade
•
Hard
Sawati Sawati
Used 3+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Nilai diskriminan persamaan kuadrat x2 + 6x + 8 = 0
2
4
8
36
2.
MULTIPLE CHOICE QUESTION
1 min • 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
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
30 sec • 12 pts
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan diskriminannya, jenis persamaan kuadrat 9x2 - 6x + 1 = 0
Memiliki akar kembar
memiliki akar berbeda
tidak memiliki akar
memiliki akar lebih dari dua
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nilai x1 + x2 dari persamaan x2 - 15x + 14 adalah....
15
-15
14
-14
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nilai a,b, dan c berturut-turut dari persamaan berikut 2x²- 5x - 12 = 0 adalah
2, 5 dan 12
2,-5 dan -12
2,-5 dan 12
2,5 dan -12
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Himpunan penyelesaian dari persamaankuadrat 2x2 – x - 15=0 adalah….
{5/2, 3}
(-5/2, 3}
(-3/2, 5)
(3/2, 5}
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Akar – akar persamaan kuadrat x2– 11x + 30=0 adalah….
real dan berbeda
real dan sama
tidak real
tidak dapat ditentukan
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