Latihan Persamaan Kuadrat
Authored by Mardijah SPd
Mathematics
9th - 10th Grade
CCSS covered
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Perhatikan persamaan-persamaan berikut!
(i) 2x2 – 5 = 0
(ii) 2x2 + 3x3 = 0
(iii) 3x + 6 = 0
(iv) 3x2 + 5x + 9 = 0
Yang merupakan persamaan kuadrat adalah…
(i) dan (ii)
(i) dan (iii)
(ii) dan (iv)
(i) dan (iv)
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Persamaan 2x (x + 5) = 3x – 4 jika diubah ke bentuk umum persamaan kuadrat adalah…
2x2 – 7x + 4 = 0
2x2 + 7x + 4 = 0
– x2 + 7x + 4 = 0
x2 – 7x + 4 = 0
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Nilai diskriminan dari persamaan kuadrat 2x2 – 3x – 5 = 0 adalah….
– 31
20
29
49
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Agar persamaan kuadrat 4x2 – 12 x + p = 0 memiliki akar kembar, maka nilai p = …
– 9
– 3
3
9
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Jika salah satu akar dari persamaan kuadrat x2 + 3 x + c = 0 adalah 2, maka nilai c yang memenuhi adalah…
– 10
– 5
5
10
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Akar – akar persamaan kuadrat x2 – 11x + 30 = 0 adalah….
real dan berbeda
real dan sama
tidak real
tidak dapat ditentukan
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Akar-akar persamaan kuadrat dari persamaan x2 + 2x – 35 = 0 adalah….
– 5 dan – 7
– 5 dan 7
5 dan – 7
5 dan 7
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