Tentukan hasil kali akar-akar persamaan kuadrat 2x2 – 4x – 6 = 0.
Fungsi Kuadrat

Quiz
•
Mathematics
•
10th Grade
•
Medium
Dona Saputra
Used 13+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
-3
-2
-1
0
2.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
Diketahui x1 dan x2 adalah akar-akar persamaan kuadrat dari 2x² + 12 x + 18. Tentukan x1+x2 dan x1.x2
6 dan -9
-6 dan 9
2 dan -3
-2 dan 3
3.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
Persamaan kuadrat dari yang akar-akarnya 6 dan -4 adalah . . .
x2 - 10x + 24 = 0
x2 + 10x - 24 = 0
x2 - 2x - 24 = 0
x2 + 2x - 24 = 0
4.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
Diketahui p dan q adalah akar-akar dari 2x2 – bx – c, jika p+q = 1 dan p.q = -12. Persamaan kuadrat tersebut adalah ...
x2 + 2x – 24
x2 – 2x + 24
2x2 + 2x – 24
2x2 – 2x – 24
5.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
Diketahui fungsi kuadrat f(x) = x2 – 10x + 24. Tentukan titik puncaknya
(5, -1)
(-5, 2)
(-1, 5)
(2, -5)
6.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
Jika f(x) = -3x2 + 12x – 7. Tentukan nilai maksimum dari fungsi tersebut.
10
5
15
20
7.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
Diketahui fungsi kuadrat f(x) = 2x2 – 8x + 6. Tentukan sumbu simetri dari grafik fungsi tersebut.
0
1
2
3
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