MATEMATIKA
Authored by Kiko GJ
Mathematics
3rd Grade
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
jika x = -2 adalah akar dari persamaan x2 - 3x -c = 0 maka, nilai c adalah....
-10
-5
5
10
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
hasil dari (3x - 7) (x + 6) adalah....
3x² - 11x - 42
3x² + 11x - 42
-3x² + 25x - 42
3x² + 25x - 42
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
sumbu simetri parabola y = x² -5x + 3 diperoleh pada garis........
x = 3/2
x = 3
x = 3/2
x = 5/2
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Diketahui suatu barisan aritmatika, suku ke-3 = 9, suku ke-6 = 18. R suku ke-n adalah....
3n
4n
9n
10n
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
rumus suku ke-n dari barisan 3,-2,-7,-12,...adalah...
4an + 1
5an -8
-5an + 8
-2an² -1
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
akar-akar persamaan kuadrat 5x² -3x + 1 = adalah....
imajiner
kompleks
nyata,rasional dan sama
nyata dan rasional
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
hasil kali akar-akar persamaan kuadrat 6x² -2x + 3 = 0 adalah...
3
2
1/2
-1/2
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