
ULANGAN HARIAN PERSAMAAN KUADRAT

Quiz
•
Mathematics
•
10th Grade
•
Hard
ALFINA Matematika
Used 10+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Nilai a, b, dan c dari persamaan kuadrat 2x2 − 6x + 8 = 0 adalah…
a = -2
b = 6
c = 8
a = 2
b = -6
c = 8
a = -6
b = 2
c = 8
a = 8
b = 6
c = -2
2.
MULTIPLE SELECT QUESTION
5 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)
(ii)
(iii)
(iv)
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Perhatikan pernyataan berikut!
1. Pangkat tertinggi variabel yaitu 2
2. Koefisien a tidak boleh 0
3. a, b, dan c bukan bilangan Real
4. Variabel memiliki pangkat tertinggi 3
5. a, b dan c anggota bilangan Real
Yang termasuk syarat dari persamaan kuadrat adalah...
1, 3, 4
1, 2, 4
1, 2, 5
1, 4, 5
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Bentuk umum persamaan kuadrat adalah ....
ax2 + bx − c = 0 , a ≠ 0
ax2 + bx + c = 0 , a = 0
ax2 − bx + c = 0 , a = 0
ax2 + bx + c = 0 , a ≠ 0
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berikut cara untuk mencari akar-akar persamaan kuadrat, kecuali ...
Menyederhanakan bilangan bentuk akar dan kuadrat
Memfaktorkan
Melengkapi bentuk Kuadrat sempurna
Menggunakan rumus kuadratik
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Akar-akar dari persamaan kuadrat x2 + 7x + 12 = 0 adalah ....
(pakai cara memfaktorkan)
x = −1 atau x = −12
x = −2 atau x = −6
x = −3 atau x = −4
x = 3 atau x = 4
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Akar-akar dari persamaan kuadrat x2 + 2x − 15 = 0 adalah ....
(Rumus ABC)
x = 3 atau x = 5
x = −3 atau x = −5
x = 3 atau x = −5
x = −3 atau x = 5
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