Quiz Kelas 9.2 FUNGSI KUADRAT

Quiz
•
Mathematics
•
9th Grade
•
Hard
Mardiansyah Mardiansyah
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Grafik fungsi kuadrat berbentuk ....
garis lengkung
parabola
lingkaran
garis lurus
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Grafik fungsi kuadrat y = -2x2 + 3x - 10, merupakan parabola yang terbuka ....
ke atas
ke kiri
ke bawah
ke kanan
3.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Pernyataan tentang hubungan antara diskriminan fungsi kuadrat dan grafik fungsi kuadrat berikut ini benar, kecuali...
Jika D = 0 maka grafik fungsi kuadrat tidak memotong sumbu x
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
4.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Bentuk umum fungsi kuadrat adalah...
5.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Di bawah ini rumus diskriminan yang benar adalah ....
b2 - 4ab
a2 - 4ac
b2 - 4ac
c2 - 4ab
6.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Diketahui sebuah fungsi kuadrat y = x2 - 2x + 3 , nilai a, b, c berturut-turut adalah ... .
1 ; -2 ; -3
-1 ; 2 ; 3
1 ; 2 ; 3
1 ; -2 ; 3
7.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Diketahui fungsi f (x) = 3x2 − 4x + 2. Nilai f(−2) adalah
6
12
20
22
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