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Dot product of vectors

Authored by Khin Aye

Mathematics

11th Grade

CCSS covered

Used 13+ times

Dot product of vectors
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15 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If the dot product of two vectors is equal to zero, then what do we know about the two vectors?

They are parallel.

They are orthogonal.

They are neither.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

-24

24

48

-48

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What operation you need to find an angle between two vectors?

Dot product between the two vectors

Dot product between the two vectors divide the magnitude of both vectors

Cosine inverse of dot product between the two vectors divide the magnitude of both vectors

Cross product between the two vectors

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the angle between vectors <1,3> and <2,-5>.

40.24°
49.76°
139.76°
92.57°

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the dot product of <1, -2> and <3, 2>.

1
<3, -4>
<4, 0>
-1

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Find the angle between the two vectors:

-0.789
142.1
100
0.789

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Find the dot product of the given vectors:

92
0
-92
none of the above

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