Metoda suprotnih koeficijenata

Metoda suprotnih koeficijenata

7th - 8th Grade

10 Qs

quiz-placeholder

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Metoda suprotnih koeficijenata

Metoda suprotnih koeficijenata

Assessment

Quiz

Mathematics

7th - 8th Grade

Practice Problem

Medium

Created by

Maja Milinković

Used 30+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Odaberite sustav koji opisuje koliko sestara ima Filip, a koliko Monika, ako je broj Filipovih sestara označen s x, a broj Monikinih sestara s y.

 7x8y=97x-8y=9  
 9x+7y=259x+7y=25  

 7x8y=97x−8y=9  
 7x+9y=257x+9y=25  

 8x7y=98x−7y=9  
 7x+9y=257x+9y=25  

 8x7y=98x−7y=9  
 9x+7y=259x+7y=25  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Broj -2.5 suprotan je broju

-2.5

2.5

0

ne postoji

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Koliki je zbroj suprotnih brojeva?

1

0

-1

2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

U sustavu dviju linearnih jednadžbi s dvije nepoznanice

 8x7y=98x-7y=9  
 9x+7y=259x+7y=25  

brojevi  88  i  99  su

slobodni koeficijenti

koeficijenti uz x

koeficijenti uz y

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

U sustavu dviju linearnih jednadžbi s dvije nepoznanice

 8x7y=98x-7y=9  
 9x+7y=259x+7y=25  

brojevi  7-7  i  77  su

slobodni koeficijenti

koeficijenti uz x

koeficijenti uz y

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

U sustavu dviju linearnih jednadžbi s dvije nepoznanice

 8x7y=98x-7y=9  
 9x+7y=259x+7y=25  

brojevi  99  i 2525  su

slobodni koeficijenti

koeficijenti uz x

koeficijenti uz y

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Provjerite je li uređeni par  (1,1)(1,−1)  rješenje sustava dviju linearnih jednadžbi s dvije nepoznanice:

 3x+2y=13x+2y=1  
 3x5y=2−3x−5y=2   

Uređeni par je rješenje sustava.

Uređeni par nije rješenje sustava.

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