Produto escalar de vetores Mat A

Produto escalar de vetores Mat A

11th Grade

10 Qs

quiz-placeholder

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Produto escalar de vetores Mat A

Produto escalar de vetores Mat A

Assessment

Quiz

Mathematics

11th Grade

Medium

Created by

carla gomes

Used 33+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fixado um plano e dados dois vetores

 u =(u1, u2)\overrightarrow{u\ }=\left(u_1,\ u_2\right)  e  v =(v1, v2)\overrightarrow{v\ }=\left(v_1,\ v_2\right)  , o produto escalar é igual a:

 u1u2+v1v2u_1u_2+v_1v_2  

 u1+u2+v1+v2u_1+u_2+v_1+v_2  

 u1v2+u2v1u_1v_2+u_2v_1  

 u1v1+u2v2u_1v_1+u_2v_2  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O produto escalar entre os vetores    a (2, 1) e b=(4, 6)\overrightarrow{a\ }\left(2,\ 1\right)\ e\ \overrightarrow{b}=\left(4,\ 6\right)  é:

 1212  

 1414  

 1616  

 00  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O produto escalar entre os vetores    a (0, 4) e b=(2, 3)\overrightarrow{a\ }\left(0,\ 4\right)\ e\ \overrightarrow{b}=\left(2,\ 3\right)  é:

0

8

14

12

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O produto escalar entre os vetores    a (0, 12) e b=(25, 0)\overrightarrow{a\ }\left(0,\ 12\right)\ e\ \overrightarrow{b}=\left(25,\ 0\right)  é:

0

12

25

37

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O produto escalar entre os vetores    a (14, 2) e b=(32, 0)\overrightarrow{a\ }\left(\frac{1}{4},\ 2\right)\ e\ \overrightarrow{b}=\left(\sqrt{32},\ 0\right)  é:

 2+2\sqrt{2}+2  

 00  

 2\sqrt{2}  

 88  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O produto escalar entre os vetores    a (2, 3) e b=(6, 4)\overrightarrow{a\ }\left(-2,\ 3\right)\ e\ \overrightarrow{b}=\left(-6,\ -4\right)  é:

 00  

 24-24  

 2424  

 10-10  

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Sejam os vetores

 x (2,4) e  y (1,6)\overrightarrow{x\ }\left(2,4\right)\ e\ \ \overrightarrow{y\ }\left(1,6\right)  . O ângulo formado pelos vetores é 

agudo

raso

obtuso

reto

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