Latihan Persamaan Kuadrat
Quiz
•
Mathematics
•
10th Grade
•
Medium
Noveawan Noveawan
Used 1+ times
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36 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui persamaan kuadrat x2-8x+12=0, deskriminan dari persamaan tersebut adalah . . .
16
14
15
13
12
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Persamaan kuadrat 5k2-20x+k=0 memiliki akar kembar. Nilai k adalah . . .
15
20
25
30
35
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika persamaan 4x2+kx+9=0 tidak memiliki akar-akar persamaan kuadrat, maka nilai k2 harus lebih kecil dari . . .
64
100
144
256
196
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui persamaan x2+(a-3)x+9=0, nilai a yang menyebabkan persamaan tersebut memiliki akar kembar adalah . . .
-3 dan 9
-2 dan -5
3 dan 9
3 dan -9
-3 dan -9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Persamaan kuadrat (a-2)x2-2ax+2a-7=0 memiliki dua akar yang saling berkebalikan, maka nilai a adalah . . .
5
6
7
8
9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ak rudi memiliki sebidang tanah berbentuk persegi panjang dengan luas 96 m2. Jika panjang tanah tersebut 4 m lebih panjang dari lebarnya, maka panjang dan lebar tanah tersebut adalah . . .
12 m dan 8 m
8 m dan 12 m
6 m dan 16 m
16 m dan 6 m
24 m dan 4 m
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Persamaan kuadrat yang akar-akarnya adalah 2 dan (-3) adalah . . .
x2+x+6=0
x2-x+6=0
x2+x-6=0
x2-x-6=0
-x2-x-6=0
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