
persamaan kuadrat
Authored by arianah arianah
Mathematics
KG
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Akar-akar dari persamaan kuadrat x2 – 4x – 5 = 0 adalah : ....
A.-1
B.1
C.3
D.6
E.7
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Persamaan kuadrat baru yang akar-akarnya 3 dan – 2 adalah : ....
A.x2 + x – 6 = 0
B.x2 – x – 6 = 0
C.x2 – x + 6 = 0
D.x2 + x – 5 = 0
E.x2 – x – 5 = 0
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Dari persamaan kuadrat 2x2+7x – 5 = 0 mempunyai akar-akar x1 dan x2, maka jumlah akar-akar persamaan kuadrat
tersebut adalah x1 + x2 = ....
A. – 7/2
B. – 5/2
C.0
D.5/2
E.7/2
4.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Dari persamaan kuadrat 2x2+7x – 5 = 0 mempunyai akar-akar x1 dan x2 , maka hasil kali akar-akar persamaan kuadrat
tersebut adalah x1 . x2 = ....
A. – 7/2
B. – 5/2
C.0
D.5/2
E.7/2.
A. – 7/2
B. – 5/2
C.0
D.5/2
E.7/2
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Diketahui persamaan kuadrat x2+3x – 4 = 0. Jika akar-akar persamaan kuadrat tersebut adalah x1 dan x2
MakaPersamaan kuadrat baru yang akar-akarnya x1+3 dan x2+3 adalah :....
A. X2 + 3x + 4 = 0
B.x2 – 3x – 4 = 0
C.x2 + 3x – 3 = 0
D.x2 – 3x – 3 = 0
E.x2 + 3x - 4 = 0
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Persamaan kuadrat baru yang akar-akarnya adalah kebalikan dari akar-akar persamaan x2 – 4x + 3 = 0 adalah : ....
A.3x2 – 4x – 1 = 0
B.3x2 – 4x + 1 = 0
C.3x2 + 4x – 1 = 0
D.3x2 – x + 4 = 0
E.3x2 – x – 4 = 0
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
.Nilai diskriminan dari persamaan 2x2 + 4x – 7 = 0 adalah : ....
A. – 40
B. – 17
C.33
D.50
E.72
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