Persamaan Kuadrat
9th Grade
•20 Qs
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Persamaan Kuadrat
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Hazar Hazar
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nilai a , b dan c pada persamaan 2x - x2 + 7 = 0, berturut-turut adalah ....
a = 2, b = -1 dan c = 7
a = 1, b = 2 dan c = 7
a = 2, b = 1 dan c = 7
a = -1, b = 2 dan c = 7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada persamaan 2x ( x -3 ) = x2 - 5x - 8 , nilai a, b dan c adalah ....
a = 1, b = -1 dan c = 8
a = 1, b = -1 dan c = -8
a = 2, b = 1 dan c = 8
a = 2, b = 6 dan c = 8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salah satu faktor dari persamaan 2x2 + 5x - 3 = 0 adalah ....
( 2x - 1 )
( 2x + 3 )
( 2x + 1 )
( x - 3 )
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Akar - akar persamaan kuadrat 2x2 - 9x + 9 = 0 adalah ....
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salah satu akar persamaan kuadrat x2 + 6x - 7 = 0 adalah ....
- 1
- 7
2
3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika salah satu akar persamaan 2x2 - 5x + k = 0 adalah 4, maka nilai k adalah ...
10
-10
12
-12
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salah satu cara menentukan akar-akar persamaan kuadrat ax2 + bx + c = 0 adalah dengan menggunakan rumus kuadratik ( rumus abc ). Pernyataan berikut yang benar mengenai rumus abc adalah ...
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