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Cartesian Vectors

Authored by Janet Jacques

Mathematics

12th Grade

Used 19+ times

Cartesian Vectors
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Unit Vectors have a magnitude of one but no direction.

True

False

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The product of a vector and scalar is a vector.

True

False

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The dot product of two vectors is a vector.

True

False

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The angle between two vectors can be found using the dot product.

True

False

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If

 a=[1, 2]\overrightarrow{a}=\left[1,\ 2\right]  and  b=[2, 7]\overrightarrow{b}=\left[2,\ 7\right]  find  a+2b\overrightarrow{a}+2\overrightarrow{b}  

 3103\sqrt{10}  

 [6,18][6,18]  

 [5, 16]\left[5,\ 16\right]  

 281\sqrt{281}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If

 m=[1, 1]\overrightarrow{m}=\left[-1,\ -1\right]  and  n=[1, 1]\overrightarrow{n}=\left[1,\ 1\right]  , find  mn\left|\overrightarrow{m}-\overrightarrow{n}\right|  

 [2, 2]\left[-2,\ -2\right]  

 00  

 0\overrightarrow{0}  

 222\sqrt{2}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which vector is orthogonal to \left[m,\ n\right]?  

 [m, n]\left[-m,\ -n\right]  

 [n, m]\left[n,\ m\right]  

 [1, 1]\left[1,\ 1\right]  

 [n,m][-n,m]  

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