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Analytická geometrie

Authored by Ondřej Hospodka

Mathematics

12th Grade

Used 1+ times

Analytická geometrie
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5 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Mějme vektory u = (-1; 2) a v = (-2; 3). Vektor w = 2u - v má souřadnice

(-4; 1)

(0; 1)

(0; -1)

(-4; -1)

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Souřadnice tohoto vektoru by mohly být

(3; 1)

(2; 1)

(1; 2)

(1; -2)

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Přímka je dána rovnicí -2x + 3y + 1 = 0. Její směrový vektor by mohl mít souřadnice.

(2; 3)

(-2; 3)

(3; -2)

(3; 2)

4.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Přímka je daná parametrickými rovnicemi.

x = 2 + 2t

y = -1 + t

Který z bodů leží na této přímce (vyberte klidně více možností)

[2; -1]

[0; 0]

[-2; -3]

[1; 1]

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jsou dány vektory

u = (-1; 3)

v = (2; 3)

Určete jejich skalární součin

7

3

-2

4

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