
Sustavi jednadžbi
Authored by Lidija Gradečak
Mathematics
7th - 8th Grade
Used 18+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji je zapis?Polovina nekog broja je 18.
x + 2 = 18
18+2 = x
x : 2 =18
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji broj umanjen za 2 daje 18?
x : 2 = 18
x - 2 =18
x = 18 -2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji broj dobijemo kada broj 18 uvećamo dva puta?
x + 2 = 18
x = 18 x 2
x = 18 + 2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rješenje koje od jednadžbi jest uređeni par brojeva (-3,7)?
5x-2y=1
6x+2y=-4
x-y=0
2x +y =1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koji je uređeni par jedno od rješenja jednadžbe 3x - y =7?
(2,3)
(-3,1)
(4,8)
(-2,-13)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koliko rješenja ima jednadžba 2x - 3y =0
jedno
dva
beskonačno mnogo
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Susatav dviju linearnih jednadžbi s dvjema nepoznanicama može se riješiti:
metodoma suprotnih koeficijenata
metodom supstitucije
metodom razgovora
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