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Primjer inicijalnog testa kakvog će te pisati na početku ... - MIM-Sraga

Primjer inicijalnog testa kakvog će te pisati na početku ... - MIM-Sraga

Primjer inicijalnog testa kakvog će te pisati na početku ... - MIM-Sraga

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ješenja<br />

Testovi ma<strong>te</strong>matika 7<br />

Rj.<br />

a)<br />

I<strong>na</strong>če sve crtamo u istom<br />

koordi<strong>na</strong>tnom sustavu, ali<br />

radi preglednosti <strong>na</strong>crtat<br />

ćemo svaki podzadatak<br />

zasebno.<br />

b)<br />

Os<strong>na</strong>simetrija s obzirom<br />

<strong>na</strong> ordi<strong>na</strong>tnu os<br />

( , ) ⇒ T1<br />

( −x,<br />

y)<br />

( 3, −1) ⇒ K ( −3, −1)<br />

T x y<br />

K<br />

⎛ 1⎞ ⎛ 1⎞<br />

L⎜2, ⎟ ⇒ L1<br />

⎜−2,<br />

⎟<br />

⎝ 2⎠ ⎝ 2⎠<br />

1<br />

c)<br />

Simetrične točke s obzirom <strong>na</strong> ishodiš<strong>te</strong> koodi<strong>na</strong>tnog sustava<br />

( ) ⇒ T (<br />

T x, y −x , −y<br />

2 2 2<br />

M ( − ) ⇒ M<br />

2 (<br />

N( − − ) ⇒ N (<br />

4, 5 −4,5<br />

3, 3 3,3<br />

2<br />

)<br />

)<br />

)<br />

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18<br />

© Iva<strong>na</strong> <strong>Sraga</strong>

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