Fungsi Kuadrat

Quiz
•
Mathematics
•
10th Grade
•
Hard
Dita Gayatri, S.Pd.
Used 45+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Jika grafik fungsi kuadrat memotong sumbu x di (4,0) dan (-3,0) maka persamaannya dapat dirumuskan dengan....
y = a(x - 3)(x + 4)
y = a(x + 3)(x - 4)
y = a(3x)(4x)
y = a(x + 3)(x + 4)
y = a(x - 3)(x - 4)
2.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Agar grafik fungsi kuadrat y = x2 + 4x + (6 + p) memotong sumbu x di dua titik maka nilai p haruslah....
p < -2
p < 2
p > 2
0 < p < 2
p > -2
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Persamaan kuadrat yang jumlah akar-akarnya -10 dan hasil kali akar-akarnya 21 adalah ...
x2 + 10x + 21
x2 - 10x + 21
x2 + 10x - 21
x2 - 10x - 21
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Parabola berikut yang memotong sumbu y di bawah sumbu x adalah....
y = x2 + 3x + 2
y = x2 + 3x - 3
y = -x2 + 4x + 1
y = x2 - 5x + 7
y = -x2 - 2x
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Koefisien x2 dari fungsi kuadrat y = (3x -4)(2x + 5) adalah ...
4
6
7
8
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Fungsi kuadrat yang tidak memotong sumbu x adalah...
y = 2x² + 5x + 3
y = x² - 5x - 14
y = 3x² - 7x + 5
y = 3x² + 7x + 5
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Parabola di bawah ini yang tidak menyinggung sumbu x adalah....
y = x2 + 4x + 4
y = x2 - 6x + 9
y = 2x2 - 4x + 2
y = x2 - 2x + 2
y = x2 - 10x + 25
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