Vectores

Vectores

University

5 Qs

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Assessment

Quiz

Mathematics, Fun, Computers

University

Hard

Created by

Wendy Lazaro

Used 3+ times

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Las coordenadas del punto A, en la imagen es:

(2,-3,5)

(2,3,5)

(-2,-3,5)

(2,-3,-5)

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dados los vectores:   a =(2i+7j4k); b =(3i+3j+6k)\overrightarrow{a\ }=\left(2\overrightarrow{i}+7\overrightarrow{j}-4\overrightarrow{k}\right);\ \overrightarrow{b\ }=\left(-3\overrightarrow{i}+3\overrightarrow{j}+6\overrightarrow{k}\right)  hallar  ab\overrightarrow{a}-\overrightarrow{b}  

 5i+4j10k5\overrightarrow{i}+4\overrightarrow{j}-10\overrightarrow{k}  

 5i4j+10k-5\overrightarrow{i}-4\overrightarrow{j}+10\overrightarrow{k}  

 i+10j+2k-\overrightarrow{i}+10\overrightarrow{j}+2\overrightarrow{k}  

 5i+4j+2k5\overrightarrow{i}+4\overrightarrow{j}+2\overrightarrow{k}  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dados los vectores: a =(i3j+2k); b =(5i4j+6k)\overrightarrow{a\ }=\left(\overrightarrow{i}-3\overrightarrow{j}+2\overrightarrow{k}\right);\ \overrightarrow{b\ }=\left(5\overrightarrow{i}-4\overrightarrow{j}+6\overrightarrow{k}\right) 

 Hallar: a 3b Hallar:\ \overrightarrow{a\ }-3\overrightarrow{b\ }  

 14i+9j16k-14\overrightarrow{i}+9\overrightarrow{j}-16\overrightarrow{k}  

 14i+9j10k14\overrightarrow{i}+9\overrightarrow{j}-10\overrightarrow{k}  

 14i9j16k-14\overrightarrow{i}-9\overrightarrow{j}-16\overrightarrow{k}  

 14i+9j9k-14\overrightarrow{i}+9\overrightarrow{j}-9\overrightarrow{k}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dados los vectores: a =(2i+2j+0k); b =(3i4j+2k)\overrightarrow{a\ }=\left(-2\overrightarrow{i}+2\overrightarrow{j}+0\overrightarrow{k}\right);\ \overrightarrow{b\ }=\left(3\overrightarrow{i}-4\overrightarrow{j}+2\overrightarrow{k}\right)  
Hallar:  a×b\overrightarrow{a}\times\overrightarrow{b}  

 4i+4j+2k4\overrightarrow{i}+4\overrightarrow{j}+2\overrightarrow{k}  

 4i4j2k4\overrightarrow{i}-4\overrightarrow{j}-2\overrightarrow{k}  

 4i+4j4k4\overrightarrow{i}+4\overrightarrow{j}-4\overrightarrow{k}  

 4i8j2k4\overrightarrow{i}-8\overrightarrow{j}-2\overrightarrow{k}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dados los Vectores:  a =(2i+5j+8k); b =(3i+2jk)\overrightarrow{a\ }=\left(2\overrightarrow{i}+5\overrightarrow{j}+8\overrightarrow{k}\right);\ \overrightarrow{b\ }=\left(3\overrightarrow{i}+2\overrightarrow{j}-\overrightarrow{k}\right) ,Hallar:  ab\overrightarrow{a}\cdot\overrightarrow{b}  

8

-8

24

-24