linearne jednadžbe s dvije nepoznanice
Authored by Josipa Vučković
Mathematics
7th Grade
Used 13+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Jednadžba 3x -5y=-7 naziva se
linearna nejednadžba
polinom
linearna jednadžba
kružnica
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koji je uređeni par od jednadžbe 3x-5y=-7 rješenje te jednadžbe
(8,-15)
(-4,-1)
(2,4)
(1,1)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Provjeri da li je uređeni par (4,-5) rješenje sustava
4x-3y=31
3x+2y=0
DA
NE
4.
FILL IN THE BLANKS QUESTION
2 mins • 1 pt
Metodom supstitucije riješi sustav
-4x+3y=17
2x-y=-7
(a)
5.
FILL IN THE BLANKS QUESTION
2 mins • 1 pt
Metodom suprotnih koeficijenata riješi sustav
2x+y=-15
-3x-5y=-9
(a)
6.
FILL IN THE BLANKS QUESTION
2 mins • 1 pt
Razlika dvaju brojeva jest 24,a umanjenik je 3 puta veći od umanjitelja. Koji su to brojevi?
(a)
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