Quiz about Vectori. Operații

Question 1

Fie ABC un triunghi oarecare. Atunci $$\overrightarrow{AB}+\overrightarrow{BC}=$$

Accepted Answer

$$\overrightarrow{AC}$$

Answer

$$\overrightarrow{0}$$

Answer

$$\overrightarrow{CA}$$

Answer

$$\overrightarrow{CB}$$

Question 2

Fie ABCD un paralelogram. Atunci $$\overrightarrow{CD}+\overrightarrow{CB}=$$

Accepted Answer

$$\overrightarrow{CA}$$

Answer

$$\overrightarrow{BD}$$

Answer

$$\overrightarrow{AC}$$

Answer

$$\overrightarrow{DB}$$

Question 3

Fie ABC un triunghi oarecare. Daca M este mijlocul laturii BC atunci:

Accepted Answer

$$\overrightarrow{AM}=\frac{\overrightarrow{AB}+\overrightarrow{AC}}{2}$$

Answer

$$\overrightarrow{AM}=\frac{\overrightarrow{AB}+\overrightarrow{BC}}{2}$$

Answer

$$\overrightarrow{AM}=\frac{\overrightarrow{CB}+\overrightarrow{AC}}{2}$$

Answer

$$\overrightarrow{AM}=\frac{\overrightarrow{MB}+\overrightarrow{MC}}{2}$$

Question 4

Fie ABCDEF un hexagon regulat. Atunci $$\overrightarrow{AB}+\overrightarrow{FE}=$$

Accepted Answer

$$\overrightarrow{AC}$$

Answer

$$\overrightarrow{AD}$$

Answer

$$\overrightarrow{AF}$$

Answer

$$\overrightarrow{AE}$$

Question 5

Fie ABCDEF un hexagon regulat. Atunci $$\overrightarrow{BC}+\overrightarrow{FE}=$$

Accepted Answer

$$\overrightarrow{AD}$$

Answer

$$\overrightarrow{2AD}$$

Answer

$$\overrightarrow{CD}$$

Answer

$$\overrightarrow{2AF}$$

Question 6

$$\overrightarrow{AB}-\overrightarrow{AC}=$$

Accepted Answer

$$\overrightarrow{CB}$$

Answer

$$\overrightarrow{BC}$$

Answer

$$2\overrightarrow{AM}$$

Answer

$$\overrightarrow{AC}$$

Question 7

Din oficiu

Accepted Answer

1p

Answer

0p

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