Fungsi Kuadrat
Authored by Jenny Sinaga
Mathematics
9th Grade
Used 32+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Fungsi f(x) = 3x2 - 10x + 9 memotong sumbu y di titik ....
(0, -10)
(0, 9)
(-10, 0)
(9, 0)
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berikut ini fungsi kuadrat yang tidak memotong sumbu x adalah ....
x2 - 3x - 17
x2 - 4
3x2 + 6x + 2
3x2 - 10x + 9
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Fungsi f(x) = 6 + x - x2 memotong sumbu x di titik ....
(-6, 0) dan (1, 0)
(6, 0) dan (-1, 0)
(-3, 0) dan (2, 0)
(3, 0) dan (-2, 0)
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Persamaan sumbu simetri dari fungsi y = 2(x2 - 2x - 3) adalah ....
x = 1
x = -1
x = 2
x = -2
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Fungsi f(x) = 5 + bx - x2 memiliki sumbu simetri x = 2, maka nilai b adalah ....
-4
2
4
-2
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nilai maksimum fungsi f(x) = 10 + 2x - x2 adalah .....
y = -8
y = 9
y = -10
y = 11
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pernyataan berikut yang tidak sesuai dengan grafik fungsi f(x) = 2x2 + 5x - 12 adalah ....
memotong sumbu x di 2 titik yang berbeda
persamaan sumbu simetri x = -5/4
nilai minimum y = -121/8
nilai maksimum y = -121/8
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