Quiz about Magnitude of a Vector

Question 1

Find the magnitude of the vector <-2, 1>.

Accepted Answer

2.236

Answer

5

Answer

1

Answer

2.646

Question 2

Find the magnitude of AB if the initial point is (-3, 1) and the terminal point is (3, 9).

Accepted Answer

10

Answer

6

Answer

8.2

Answer

10.4

Question 3

Find the magnitude of the vector <-4, -6>.

Accepted Answer

7.211

Answer

52

Answer

3.162

Answer

4.472

Question 4

Find the magnitude.

Accepted Answer

10

Answer

-10

Answer

-8

Answer

6

Question 5

Definition: The length of the vector

Accepted Answer

Magnitude

Answer

Direction

Answer

Vector Operations

Answer

Dot Product

Question 6

Find the magnitude.

Accepted Answer

5

Answer

3

Answer

25

Answer

-4

Question 7

Find the magnitude of this vector (each square is 1 unit long)

Accepted Answer

5

Answer

4

Answer

3

Answer

square root of 5

Question 8

Magnitude of a vector is a fancy way to say...

Accepted Answer

length

Answer

direction

Answer

slope

Answer

inverse

Question 9

What is the magnitude of a vector?

Accepted Answer

Length

Answer

Starting point

Answer

Head

Answer

Angle

Question 10

Find the magnitude.

Accepted Answer

5

Answer

4

Answer

3

Answer

square root of 5

Question 11

The picture shows the flight vector for a helicopter. What is the magnitude and direction of the vector?

Accepted Answer

38.6 mi; 31.2^o north of east

Answer

38.6 mi; 31.2^o east of north

Answer

26.2 mi; 31.2^o north of east

Answer

26.2 mi; 58.8^o north of east

Question 12

||2w - 3v||

Accepted Answer

square root of 130

Answer

square root of 40

Answer

130

Answer

40

Question 13

A vector is a ray with both ____________ and _____________.

Accepted Answer

Direction and magnitude

Answer

Wings and halos

Answer

Space and time

Answer

Radicals and exponents

Question 14

Find the magnitude of the vector.

Accepted Answer

$$\sqrt[]{13}$$

Answer

$$\sqrt[]{11}$$

Answer

Answer

$$\sqrt[]{-4}$$

Question 15

Which of the following is always positive?

Accepted Answer

magnitude

Answer

vector

Answer

scalar

Answer

direction

Magnitude of a Vector

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