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ponavljanje: intervali, jednadžbe, nejednadžbe, sustavi nej.

Authored by Petra Prekupec

Mathematics

9th Grade

Used 22+ times

ponavljanje: intervali, jednadžbe, nejednadžbe, sustavi nej.
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10 questions

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1.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Nejednadžba
 3x12<5\frac{3x-1}{2}<5 

ima interval rješenja

 <,113<-\infty,\frac{11}{3}  ]

 <113,+><\frac{11}{3},+\infty>  

 <,113><-\infty,\frac{11}{3}>  

 [113,+]\left[\frac{11}{3},+\infty\right]  

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Oznaka intervala

[ ili ]

označuje da je

rubni broj uključen

rubni broj isključen

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 <,3><-\infty,3>  

Kakav je interval?

otvoren

zatvoren

4.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Media Image

Odaberite odgovor

točno

netočno

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 2x(x4)=2x23(x1)2x\left(x-4\right)=2x^2-3\left(x-1\right)  Odaberite točno rješenje jednadžbe

 35-\frac{3}{5}  

 53-\frac{5}{3}  

 35\frac{3}{5}  

 53\frac{5}{3}  

6.

MULTIPLE CHOICE QUESTION

1 min • Ungraded

Odaberite jedan odgovor:

mislim da sve znam

mislim da ništa ne znam

mislim da mi treba još malo vježbe

intervali me i dalje muče

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 2(x+1)<32\left(x+1\right)<3 

 x232-x-2\le\frac{3}{2}  

Riješite sustav nejednadžbi:

 <72,12><-\frac{7}{2},\frac{1}{2}>  

[ 72,12>-\frac{7}{2},\frac{1}{2}>  

 <72,12<-\frac{7}{2},\frac{1}{2}  ]

 [72,12]\left[-\frac{7}{2},\frac{1}{2}\right]  

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