
Persamaan Kuadrat 3
Authored by Adry Kurniawan
Mathematics
9th Grade
Used 27+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diberikan persamaan berikut
1. x2 + 5x + 6 = 0
2. 2a2 – 8 = 0
3. 6m2 – 12 m = 0
4. p(p2 + 3p) = 0
Yang merupakan persamaan kuadrat adalah...
1,2,3
1,2,4
1,3,4
2,3,4
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Persamaan yang ekuivalen/sama dengan 3x(x + 4) = 2 + 5x adalah...
3x2 – 5x + 2 = 0
3x2 + 7x – 2 = 0
3x2 + 4x – 2 = 0
3x2 – 5x – 2 = 0
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Akar akar persamaan x2 + 5x – 24 = 0 adalah...
3 dan 8
– 3 dan – 8
3 dan – 8
– 3 dan 8
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Persamaan kuadrat baru yang akar-akarnya berlawan tanda dengan
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Nilai diskriminan dari persamaan kuadrat x2 – 4x - 5 = 0 adalah...
30
36
38
42
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Persamaan kuadrat yang akar-akarnya dua kali akar x2 – 3x – 10 adalah...
x2 – 4x – 20 = 0
x2 + 4x – 20 = 0
x2 - 6x – 40 = 0
x2 + 6x – 40 = 0
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jika dan adalah akar-akar persamaan dengan > , maka nilai =...
-9
-1
1
9
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