Vector Quiz

Question 1 of 10

1

Is 5 m/s a vector.

Select one of the following:

True
False

Explanation

Question 2 of 10

2

What is the addition of the vectors V = (-2 ,5) and W = (7 , 9).

Select one of the following:

VW = (5, 14)
VW = ( 9 ,14)
VW = ( 5, 4)
VW = (9 ,5)

Explanation

Question 3 of 10

2

What happens when we multiply vector U = ( -3, 4) by scalar 5?

Select one of the following:

U = ( 5, ,5)
U = (-3,4)
U = ( -15, 20)
U = ( 15, 20)

Explanation

Question 4 of 10

2

What is the subtraction of vectors U = (-7, -3) and W = ( 5, -2)?

Select one of the following:

UW = ( -2, -5)
UW = ( 12, 1)
UW = (2, 5)
UW = (-12, -1)

Explanation

Question 5 of 10

2

What is the magnitude of the vector ( -1, -6)?

Select one of the following:

sqrt (36 ) = 6.
sqrt (37 )
sqrt ( -7)
sqrt ( 7)

Explanation

Question 6 of 10

3

If a = (-1, 2) and b = (-2,-3), and if c = -a + 3b, what is vector c?

Select one of the following:

c = (-3, 1)
c = ( 3, 1)
c = ( -1, 5)
c = (-5, 11)

Explanation

Question 7 of 10

5

If v ⃗ = (-2, 5), what is the magnitude and direction of v? Hint: For part 2, remember which quadrant the vector lies in.

Select one of the following:

Magnitude is √29 , and direction is 261.8°
Magnitude is √7 , and direction is 61.8°
Magnitude is √3 , and direction is 21.3°
Magnitude is √27 , and direction is 61.8°

Explanation

Question 8 of 10

1

Is -2 inches a vector?

Select one of the following:

True
False

Explanation

Question 9 of 10

1

When two vectors are perpendicular (right angles) to each other the dot product is zero?

Select one of the following:

True
False

Explanation

Question 10 of 10

5

Find the dot product of vectors v and w. Use the following diagram to answer the question. Round your answer to the nearest hundredth.

Select one of the following:

25.384°
20.433°
28.432°
22.273°

	Created by Vanessa Komperda over 8 years ago

This quiz will test you on the definition of a vector and perform the operations of a vector, which are addition subtraction, multiplication (dot production & scalar multiplication), and division.

Vector Quiz

Question 1 of 10

Is 5 m/s a vector.

Select one of the following:

Explanation

Question 2 of 10

What is the addition of the vectors V = (-2 ,5) and W = (7 , 9).

Select one of the following:

Explanation

Question 3 of 10

What happens when we multiply vector U = ( -3, 4) by scalar 5?

Select one of the following:

Explanation

Question 4 of 10

What is the subtraction of vectors U = (-7, -3) and W = ( 5, -2)?

Select one of the following:

Explanation

Question 5 of 10

What is the magnitude of the vector ( -1, -6)?

Select one of the following:

Explanation

Question 6 of 10

If a = (-1, 2) and b = (-2,-3), and if c = -a + 3b, what is vector c?

Select one of the following:

Explanation

Question 7 of 10

If v ⃗ = (-2, 5), what is the magnitude and direction of v? Hint: For part 2, remember which quadrant the vector lies in.

Select one of the following:

Explanation

Question 8 of 10

Is -2 inches a vector?

Select one of the following:

Explanation

Question 9 of 10

When two vectors are perpendicular (right angles) to each other the dot product is zero?

Select one of the following:

Explanation

Question 10 of 10

Find the dot product of vectors v and w. Use the following diagram to answer the question. Round your answer to the nearest hundredth.

Select one of the following:

Explanation