
Bahasa Bali PAS Ganjil 2020/2021 Kls X
Authored by I Made Agus Suputrayasa
Mathematics
10th Grade

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79 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selesaikan persamaan kuadrat x^2 - 5x + 6 = 0 dengan faktorisasi.
(x - 1)(x - 6) = 0
(x + 2)(x - 3) = 0
(x - 2)(x + 3) = 0
(x - 2)(x - 3) = 0
Answer explanation
To factorize x^2 - 5x + 6 = 0, we find two numbers that multiply to 6 and add up to -5, which are -2 and -3. Therefore, the correct factorization is (x - 2)(x - 3) = 0.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hitung diskriminan dari persamaan kuadrat x^2 + 4x - 5 = 0.
36
-16
25
9
Answer explanation
Diskriminan dari persamaan kuadrat x^2 + 4x - 5 = 0 adalah (4)^2 - 4*1*(-5) = 36, sehingga jawaban yang benar adalah 36.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tentukan akar-akar dari persamaan kuadrat x^2 - 9 = 0.
x = 1, x = -1
x = 3, x = -3
x = 4, x = -4
x = 2, x = -2
Answer explanation
The roots of the quadratic equation x^2 - 9 = 0 can be found by factoring it as (x - 3)(x + 3) = 0. Therefore, x = 3 or x = -3.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah bentuk umum dari fungsi kuadrat?
f(x) = ax^2 + bx + c
f(x) = ax^3 + bx + c
f(x) = ax^2 + b
f(x) = a^2x + bx + c
Answer explanation
The correct form of a quadratic function is f(x) = ax^2 + bx + c, where a, b, and c are constants.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa titik ekstrim dari fungsi kuadrat f(x) = x^2 - 4x + 3?
1
3
2
4
Answer explanation
Fungsi kuadrat memiliki 1 titik ekstrim yang merupakan minimum atau maksimum. Dalam kasus ini, f(x) = x^2 - 4x + 3 memiliki 1 titik ekstrim yaitu minimum.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selesaikan persamaan kuadrat 2x^2 - 5x - 3 = 0 dengan rumus abc.
x1 = 3, x2 = -0.5
x1 = 1, x2 = -3
x1 = 4, x2 = -2
x1 = 2, x2 = -1
Answer explanation
Dengan rumus abc, x1 = (5 + sqrt(25 + 24))/4 = 3, x2 = (5 - sqrt(25 + 24))/4 = -0.5. Jadi, x1 = 3 dan x2 = -0.5.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hitung nilai dari f(2) pada fungsi kuadrat f(x) = x^2 + 3x - 4.
10
6
8
-2
Answer explanation
To find f(2), substitute x=2 into the function f(x) = x^2 + 3x - 4. f(2) = 2^2 + 3(2) - 4 = 4 + 6 - 4 = 6. Therefore, the correct answer is 6.
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