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Kružnice

Authored by Magdalena Gažarová

Mathematics

11th Grade

Used 7+ times

Kružnice
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8 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Vyberte, která z rovnic určuje kružnici.

x2+y2=0x^2+y^2=0

x2y2=1x^2-y^2=1

x2+y2=1x^2+y^2=1

x2+2y2=1x^2+2y^2=1

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Určete souřadnice středu kružnice:  (x4)2+(y+1)2=4\left(x-4\right)^2+\left(y+1\right)^2=4  

 S[4;1]S\left[-4;1\right]  

 S[4;1]S\left[4;-1\right]  

 S[4;1]S\left[-4;-1\right]  

 S[4;1]S\left[4;1\right]  

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

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určete středový tvar rovnice kružnice z obrázku.

x2+(y3)2=4x^2+\left(y-3\right)^2=4

x2+(y+3)2=4x^2+\left(y+3\right)^2=4

x2+(y+3)2=2x^2+\left(y+3\right)^2=2

x2+(y3)2=2x^2+\left(y-3\right)^2=2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Je dána kružnice k:  x2+6x+y2+2y+6=0x^2+6x+y^2+2y+6=0  Určete její poloměr.

2

4

 2\sqrt{2}  

1

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Který z bodů leží na kružnici k: x2+6x+y2+2y+6=0x^2+6x+y^2+2y+6=0  

 A[1;1]A\left[1;1\right]  

 B[3;1]B\left[3;-1\right]  

 C[1;1]C\left[-1;-1\right]  

 D[0;1]D\left[0;1\right]  

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Určete střed kružnice k: x2+6x+y2+2y+6=0x^2+6x+y^2+2y+6=0  

 S[6;2]S\left[6;2\right]  

 S[3;1]S\left[-3;-1\right]  

 S[3;1]S\left[3;1\right]  

 S[6;2]S\left[-6;-2\right]  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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