
PERSAMAAN DAN FUNGSI KUADRAT
Authored by Ernawati Ernawati
Mathematics
12th Grade
Used 7+ times

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17 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Himpunan penyelesaian dari x² - 5x + 6 = 0 adalah ....
{-6, 1}
{-1,6}
{-3, -2}
{2, 3}
2.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Grafik fungsi y = x2 – 4x – 8 memotong sumbu y di titik:
{-8,0}
{0,-8}
{8,0}
{0,8}
3.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Persamaan sumbu simetri dari parabola y = -x2 – 2x +8 adalah
x = 2
x= -2
x =1/2
x = -1/2
4.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
titik optimum fungsi f(x) = x2 – 4x – 21 adalah:
(0, -21)
(-2, 25)
(1, -24)
(2, -25)
5.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Fungsi kuadrat
y=-x2+2x+24
memiliki kurva…
terbuka ke atas
terbuka ke kanan
terbuka ke bawah
terbuka ke kiri
6.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Diketahui persamaan kuadrat 3x2– 8x + 1 = 0. Nilai diskriminan persamaan tersebut adalah ….
76
64
54
52
7.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
titik puncak dari kurva fungsi kuadrat y=x2+4x-5 adalah …
(−4,5)
(2,9)
(4,−3)
(-2,-9)
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