Mengenal Fungsi Kuadrat
Quiz
•
Mathematics
•
9th Grade
•
Hard
Sadimin S.Pd
Used 48+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Fungsi berikut yang tergolong fungsi kuadrat adalah ….
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jika fungsi kuadrat y + 6 = (x + 3)2 dinyatakan dalam bentuk y = ax2 + bx + c, maka nilai a + b + c adalah ….
10
8
6
4
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pernyataan yang benar mengenai grafik fungsi kuadrat y=−2x2+3x+5 adalah ….
Terbuka ke atas dan memotong sumbu Y positif
Terbuka ke atas dan titik puncak berada di sebelah kanan sumbu Y
Terbuka ke bawah dan memotong sumbu X didua titik berbeda
Terbuka ke bawah dan menyinggung sumbu X
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Titik potong grafik fungsi kuadrat y = x2 + 3x − 10 dengan sumbu X adalah ….
(-5, 0) dan (2, 0)
(-5, 0) dan (-2, 0)
(5, 0) dan (2, 0)
(5, 0) dan (-2, 0)
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Titik potong grafik fungsi kuadrat y = (x − 2)2 − 11 dengan sumbu Y adalah ….
(0, -11)
(0, -9)
(0, -7)
(0, -2)
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui fungsi kuadrat y = 2x2 + 5x + 2. Titik potong grafik fungsi kuadrat dengan sumbu X adalah (x1, 0) dan (x2, 0), sedangkan titik potong grafik fungsi kuadrat dengan sumbu Y adalah (0, y1). Nilai dari x1 + x2 + y1 adalah ….
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Persamaan sumbu simetri fungsi kuadrat y = 1/2 x2 − 4x + 5 adalah ….
x = 8
x = 4
x = 2
x = 1
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