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Műveletek vektorokkal

Authored by Zsolti Tóth

Mathematics

9th Grade

Used 5+ times

Műveletek vektorokkal
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11 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Számítsd ki a vektorok összegét, ha:  a=(2; 1)  b=(2; 1)\overline{a}=\left(-2;\ 1\right)\ \ \overline{b}=\left(2;\ 1\right)  

 a+b=(0; 2)\overline{a}+\overline{b}=\left(0;\ 2\right)  

 a+b=(4; 2)\overline{a}+\overline{b}=\left(-4;\ 2\right)  

 a+b=(0; 0)\overline{a}+\overline{b}=\left(0;\ 0\right)  

 a+b=(0; 2)\overline{a}+\overline{b}=\left(0;\ 2\right)  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Számítsd ki a  2\overline{a}  koordinátáit, ha  a=(3; 5)\overline{a}=\left(3;\ -5\right)  

 2a=(3; 10)2\overline{a}=\left(3;\ -10\right)  

 2a=(6; 10)2\overline{a}=\left(6;\ -10\right)  

 2a=(6; 3)2\overline{a}=\left(6;\ -3\right)  

 2a=(6; 10)2\overline{a}=\left(-6;\ 10\right)  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Számítsd ki a vektor hosszát, ha  \overline{a}=\left(5;\ 12\right)  

 a=17\left|\overline{a}\right|=17  

 a=12\left|\overline{a}\right|=12  

 a=13\left|\overline{a}\right|=13  

 a=17\left|\overline{a}\right|=\sqrt{17}  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 a=(2; 3), b=(1; 0)\overline{a}=\left(2;\ 3\right),\ \overline{b}=\left(-1;\ 0\right)  Határozd meg a  2a3b2\overline{a}-3\overline{b}  vektor koordinátáit.

 2a3b=(2; 5)2\overline{a}-3\overline{b}=\left(-2;\ 5\right)  

 2a3b=(7; 6)2\overline{a}-3\overline{b}=\left(7;\ 6\right)  

 2a3b=(7; 6)2\overline{a}-3\overline{b}=\left(7;\ -6\right)  

 2a3b=(1; 6)2\overline{a}-3\overline{b}=\left(1;\ 6\right)  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 a=(5; 2)\overline{a}=\left(5;\ -2\right)  Melyik vektorral kollineáris?

 b=(10; 4)\overline{b}=\left(10;\ 4\right)  

 c=(15; 4)\overline{c}=\left(-15;\ -4\right)  

 d=(20; 8)\overline{d}=\left(20;\ -8\right)  

 e=(20; 16)\overline{e}=\left(-20;\ 16\right)  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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