Persamaan dan Fungsi kuadrat
Authored by Agus Harjanto
Mathematics
10th Grade
Used 3+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Akar akar persamaan kudrat x2 - 2x - 24 = 0 adalah…
Akar akar persamaan kudrat x2 - 2x - 24 = 0 adalah…
x = 6 dan x = 2
x = 6 dan x = -2
x = -6 dan x = 2
x = - 6 dan x = 4
x = - 6 dan x = -4
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Hasil dari (3x - 7) (x + 6) = 0 adalah…
Hasil dari (3x - 7) (x + 6) = 0 adalah…
3x2 - 11x - 42 = 0
-3x2 + 25x - 42 = 0
3x2 + 11x - 42= 0
3x2 + 25x - 42=0
3x2 - 25x - 42=0
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Persamaan kuadrat yang akar akanya -2 dan 4 adalah…
x2 - 2x + 8 = 0
x2 + 2x + 8 = 0
x2 - 2x + 8 = 0
x2 - 4x + 8 = 0
x2 - 4x - 8 = 0
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Nilai a, b, dan c dari persamaan kuadrat 2x2 - 3x -8 = 0 secara berturut-turut adalah…
-3, 2, 8
2, 3, 8
-2, -3, 8
2, -3, -8
2, 3, -8
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Hasil kali akar-akar persamaan kuadrat 2x2 - 4x - 6 = 0 adalah…
- 3
- 2
4
2
3
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Bentuk persamaan kuadrat yang akar-akarnya 1/2 dan 2 adalah…
2x2 - 5x + 2 = 0
2x2 - 5x - 2 = 0
2x2 + 5x + 2 = 0
-2x2 - 5x + 2 = 0
-2x2 + 5x + 2 = 0
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika x1 dan x2 adalah akar akar persamaan kuadrat x2 - x - 6 = 0, nilai ( 1/x1 + 1/x2 ) adalah...
6
2
1/6
- 1/3
- 1/6
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