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Jednadžba kružnice

Authored by Tatjana Plantak

Mathematics

11th Grade

Used 10+ times

Jednadžba kružnice
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Odredite koordinate središta i polumjer kružnice:
 (x+5)2+y2=10\left(x+5\right)^2+y^2=10  

 S(5,0), r=10S\left(-5,0\right),\ r=10  

 S(5,0), r=10S\left(-5,0\right),\ r=\sqrt{10}  

 S(5,0), r=10S\left(5,0\right),\ r=10  

 S(5,0), r=10S\left(5,0\right),\ r=\sqrt{10}  

2.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Koliki je polumjer kružnice  (x+1)2+(y2)2=4\left(x+1\right)^2+\left(y-2\right)^2=4  ?

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Što sve vrijedi za kružnicu
 x2+(y+1)2=1x^2+\left(y+1\right)^2=1  ?

ima središte na  yosiy-osi  

prolazi ishodištem

dodiruje  xosx-os  

ima središte na pravcu  y=0y=0  

prolazi točkom  (1,1)\left(-1,-1\right)  

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Odredite koordinate središta i polumjer kružnice:
 x2+y26x+10y2=0x^2+y^2-6x+10y-2=0  

 S(3,5)S\left(3,-5\right)  

 S(3,5)S\left(-3,5\right)  

 r=6r=6  

 r=2r=\sqrt{2}  

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Koliki polumjer ima kružnica koja dodiruje  xosx-os  i koncentrična je s kružnicom

 (x+2)2+(y3)2=100\left(x+2\right)^2+\left(y-3\right)^2=100  ?

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Koja kružnica prolazi ishodištem i ima središte u točki  S(4,3)S\left(-4,3\right)  ?

 x2+y2=25x^2+y^2=25  

 x2+y2=7x^2+y^2=-7  

 (x+4)2+(y3)2=25\left(x+4\right)^2+\left(y-3\right)^2=25  

 (x+4)2+(y3)2=7\left(x+4\right)^2+\left(y-3\right)^2=7  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Koja kružnica prolazi točkom  S(4,3)S\left(-4,3\right) i ima središte u ishodištu ?

 x2+y2=25x^2+y^2=25  

 x2+y2=7x^2+y^2=-7  

 (x+4)2+(y3)2=25\left(x+4\right)^2+\left(y-3\right)^2=25  

 (x+4)2+(y3)2=7\left(x+4\right)^2+\left(y-3\right)^2=7  

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