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Sustavi jednadžbi

Authored by Lidija Gradečak

Mathematics

7th - 8th Grade

Used 18+ times

Sustavi jednadžbi
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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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