Fungsi Kuadrat
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
syafari alfaris
Used 13+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Diketahui fungsi f(x) = -2x2 + 5x - 9, Bayangan dari x = -4 adalah ....
f(-4) = -61
f (-4) = 3
f (-4) = 21
f(-4) = 61
2.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Diketahui fungsi f(x) = – 2x2 – 3x – 6, tentukan nilai x sehingga f(x) = –15 !
3.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Pembuat nol dari fungsi f(x) = x2 + 6x - 7 adalah ....
x = 1 dan x = -7
x = -1 dan x = 7
x = 1 dan x = 7
x = -1 dan x = -7
4.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Bentuk fungsi kuadrat berdasarkan grafik berikut adalah ....
y = -x2 + 2x + 3
y = -x2 -2x + 3
y = x2 + 2x + 3
y = x2 -2x - 3
5.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Sketsa grafik dari fungsi y = x2 - 4x adalah ....
6.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Diketahui fungsi f(x) = -6x2 + 24x - 19
Nilai optimum dan jenis nilai optimum dari fungsi tersebut adalah ....
yp = 5 dan Maksimum
yp = -5 dan Minimum
yp = 43 dan Maksimum
yp = -43 dan Minimum
7.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Diketahui fungsi f(x) = 2x2 - 6x + 15
Titik puncak dari fungsi tersebut adalah ....
(3 , -10,5)
(-3 , -10,5)
(3 , 10,5)
(-3 , 10,5)
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