FUNGSI KUADRAT PERTEMUAN KE-2
Authored by MUHALIZAH MUHALIZAH
Mathematics
10th Grade
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Bentuk umum dari fungsi kuadrat adalah...
ƒ(x) = a2 + bx + c = 0
ƒ(x) = a³+ bx + c = 0
ƒ(x) = a² + bx + c > 0
ƒ(x) = a² + bx + c < 0
2.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Manakah dibawah ini yang grafik terbuka kebawah?
ƒ(x) = 3x² – 6x – 9
ƒ(x) = 2x² – 4x + 2
ƒ(x) = -2x² – 2x + 4
ƒ(x) = 2x² + 4x + 2
3.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Fungsi kuadrat dengan grafik terbuka keatas adalah...
ƒ(x) = -x²
ƒ(x) = x² – 2x – 3
ƒ(x) = -x² – x + 2
ƒ(x) = -2x² – 2x + 4
4.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Grafik fungsi kuadrat yang menyinggung sumbu x jika...
D > 0
D = 0
D < 0
D ≥ 0
5.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Grafik fungsi yang tidak memotong dan tidak menyinggung sumbu X jika...
D > 0
D = 0
D < 0
D ≥ 0
6.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Selidikilah grafik fungsi kuadrat yang memotong yang memotong sumbu X adalah...
y = x² + 3x – 1
y = -x² + 3x – 5
y = 2x² – 3x + 2
y = -2x² + 2x – 1
7.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Selidikilah grafik fungsi kuadrat yang menyinggung sumbu X adalah...
y = 2x² – 3x + 2
y = x² + 9x + 20
y = x² + 2x + 1
y = -x² + 2x – 1
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