Persamaan Kuadrat Quiz

Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
Samsul Arifin
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa akar-akar dari persamaan kuadrat x^2 - 5x + 6 = 0?
x = 2 atau x = -3
x = 5 atau x = 0
x = 4 atau x = 1
x = 3 atau x = 2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selesaikan persamaan kuadrat x^2 + 4x - 5 = 0 dengan faktorisasi.
(x + 5)(x - 1) = 0
(x + 2)(x - 3) = 0
(x + 6)(x - 1) = 0
(x + 3)(x - 2) = 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa nilai diskriminan dari persamaan kuadrat x^2 - 3x + 2 = 0?
0
1
2
-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tentukan nilai maksimum atau minimum dari grafik persamaan kuadrat y = x^2 - 4x + 3.
1
5
2
0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gambar grafik dari persamaan kuadrat y = -2x^2 + 4x - 1.
Langkah 1: Tentukan titik potong sumbu y (c) dengan mengganti x=0 ke dalam persamaan y = -2x^2 + 4x - 1. Sehingga y = -2(0)^2 + 4(0) - 1 = -1. Jadi, titik potong sumbu y adalah (0, -1). Langkah 2: Tentukan titik potong sumbu x dengan mengganti y=0 ke dalam persamaan tersebut. Sehingga -2x^2 + 4x - 1 = 0. Dengan menggunakan rumus kuadratik, x = ( -b ± √(b^2 - 4ac) ) / 2a. Setelah dihitung, diperoleh x = 0.5 dan x = 1. Jadi, titik potong sumbu x adalah (0.5, 0) dan (1, 0). Langkah 3: Gambar grafik dengan menggunakan titik-titik yang telah ditemukan.
Langkah 3: Hitung turunan dari persamaan y.
Langkah 1: Hitung integral dari persamaan tersebut.
Langkah 2: Tentukan nilai maksimum dari persamaan kuadrat.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa akar-akar dari persamaan kuadrat x^2 - 9 = 0?
2
4
3
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selesaikan persamaan kuadrat x^2 + 7x + 10 = 0 dengan faktorisasi.
(x + 3)(x + 4) = 0
(x + 2)(x + 5) = 0
(x + 1)(x + 10) = 0
(x - 2)(x - 5) = 0
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