QUIZ FS KUADRAT-1

Quiz
•
Mathematics
•
10th Grade
•
Hard
Luftia Hanik
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sketsa grafik fungsi kuadrat yang sesuai untuk f(x) = -x2 + 2x adalah...
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Grafik fungsi y = -9x2 + 12x + 6 memotong sumbu y di titik ....
(0,-6)
(0,6)
(6,0)
(-6,0)
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebuah fungsi kuadrat melalui titik puncak (2,0). Jika fungsi kuadrat tersebut melalui titik (0,4), maka persamaan fungsi kuadrat tersebut adalah....
f(x)=x2 + 4x + 4
f(x)=x2 - 4x + 4
f(x)=x2 - 4x - 4
f(x)=x2 + 2x + 4
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika nilai koefisien x2 lebih besar dari 0, maka bentuk grafik fungsi kuadrat yang sesuai adalah...
Melengkung ke samping kiri
Melengkung ke samping kanan
Terbuka ke atas
Terbuka ke bawah
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pernyataan tentang hubungan antara diskriminan fungsi kuadrat dan grafik fungsi kuadrat berikut ini benar, kecuali...
Jika D > 0 maka grafik fungsi kuadrat akan memotong sumbu x di dua titik
Jika D = 0 maka grafik fungsi kuadrat akan memotong sumbu x di satu titik
Jika D < 0 maka grafik fungsi kuadrat tidak memotong sumbu x
Jika D = 0 maka grafik fungsi kuadrat tidak memotong sumbu x
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Grafik fungsi kuadrat f(x) = -x2 + 6x +16 akan:
i. Membuka kebawah (n) karena a>0
ii. Membuka kebawah (n) karena a<0
iii. Memotong sumbu X di (-8,0) dan (2,0)
iv. Memotong sumbu Y di (0,16)
Pilih pernyataan-pernytaan yang benar adalah:
i dan iii saj yang benar
ii dan iv saja yang benar
i, ii, iii benar semua
hanya iv saja yang benar
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Koordinat titik potong grafik fungsi y = 2x2 + x - 6 dengan sumbu x adalah ...
(3½, 0) dan (-2, 0)
(1½, 0) dan (-2, 0)
(-1½, 0) dan (2, 0)
(-3½, 0) dan (2, 0)
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