Vektori - III d

Vektori - III d

1st Grade

13 Qs

quiz-placeholder

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Vektori - III d

Vektori - III d

Assessment

Quiz

Mathematics

1st Grade

Medium

Created by

Đani Žufić

Used 2+ times

FREE Resource

13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Zadan je pravilan šesterokut sa svojim vrhovima ABCDEF.
Točka S je sjecište njegovih dijagonala.
Odredi čemu je jednako   ADFE=\overrightarrow{AD}-\overrightarrow{FE}=  

 3AS3\overrightarrow{AS}  

 AE\overrightarrow{AE}  

 AS\overrightarrow{AS}  

 AC\overrightarrow{AC}  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Zadan je pravilan šesterokut sa svojim vrhovima ABCDEF.

Točka S je sjecište njegovih dijagonala.
Odredi čemu je jednako :   BCED+FA=\overrightarrow{BC}-\overrightarrow{ED}+\overrightarrow{FA}=  

 AF\overrightarrow{AF}  

 0\overrightarrow{0}  

 AS\overrightarrow{AS}  

 AC\overrightarrow{AC}  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Zadan je vektor b=5i2j\overrightarrow{b}=5\overrightarrow{i}-2\overrightarrow{j}  . Ako je točka   A(3,6)A\left(-3,-6\right)  njegovo hvatište, koje su koordinate vrha ?
Boduje se i postupak.

 B(8,4)B\left(8,4\right)  

 B(2,8)B\left(-2,8\right)  

 B(2,8)B\left(-2,-8\right)  

 B(2,8)B\left(2,-8\right)  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Zadan je vektor b=2i7j\overrightarrow{b}=-2\overrightarrow{i}-7\overrightarrow{j}  . Ako je točka   B(1,5)B\left(1,5\right)  njegov vrh, tada su koordinate hvatišta :
Boduje se i postupak.

 A(3,12)A\left(3,12\right)  

 A(3,12)A\left(-3,12\right)  

 A(12,3)A\left(12,3\right)  

 A(3,12)A\left(3,-12\right)  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Zadane su točke A(1,y); B(4,6)A\left(-1,y\right);\ B\left(4,6\right)  . Odredi vrijednost broja  yy  tako da duljina vektora  AB\overrightarrow{AB}  iznosi 13.
Boduje se i postupak.

 A1(1,6); A2(9,6)A_1\left(-1,6\right);\ A_2\left(9,6\right)  

 A1(1,6); A2(9,6)A_1\left(-1,-6\right);\ A_2\left(-9,6\right)  

 A1(1,6); A2(9,6)A_1\left(-1,-6\right);\ A_2\left(9,-6\right)  

 A1(1,6); A2(9,6)A_1\left(-1,-6\right);\ A_2\left(-9,-6\right)  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Zadani su vektori a=(m+3)x4y  i  b=mx6y\overrightarrow{a}=\left(m+3\right)\overrightarrow{x}-4\overrightarrow{y}\ \ i\ \ \overrightarrow{b}=m\overrightarrow{x}-6\overrightarrow{y}  . Odredi vrijednost broja   mm  tako da zadani vektori budu kolinearni.
Boduje se i postupak.

 m=9m=9  

 m=9m=-9  

 m=95m=-\frac{9}{5}  

 m=95m=\frac{9}{5}  

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

 a=3i5j ; b=2i+4j  i  c=2i+7j.\overrightarrow{a}=3\overrightarrow{i}-5\overrightarrow{j}\ ;\ \overrightarrow{b}=2\overrightarrow{i}+4\overrightarrow{j}\ \ i\ \ \overrightarrow{c}=-2\overrightarrow{i}+7\overrightarrow{j}.  

Vektor   c\overrightarrow{c}  prikaži kao linearnu kombinaciju vektora  a   i   b .\overrightarrow{a}\ \ \ i\ \ \ \overrightarrow{b}\ .  


Boduje se i postupak.

 c=a+12b\overrightarrow{c}=-\overrightarrow{a}+\frac{1}{2}\overrightarrow{b}  

 c=a12b\overrightarrow{c}=\overrightarrow{a}-\frac{1}{2}\overrightarrow{b}  

 c=a+12b\overrightarrow{c}=\overrightarrow{a}+\frac{1}{2}\overrightarrow{b}  

 c=a12b\overrightarrow{c}=-\overrightarrow{a}-\frac{1}{2}\overrightarrow{b}  

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