What are the components of vector A?

Vector Operations and Properties

Interactive Video
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Mathematics
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9th - 10th Grade
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Hard

Thomas White
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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3, -9
2, -3
1, 0
-5, 4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving 2A - 3B?
Find the magnitude of A
Determine the angle between vectors
Define vectors A and B
Calculate the dot product
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the direction angle determined?
Using arc sine
Using arc cosine
Using arc tangent
Using arc cotangent
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process to find a unit vector orthogonal to B?
Subtract components and normalize
Swap components and change one sign
Add components and divide by magnitude
Multiply components by a scalar
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of rationalizing a unit vector?
To make it orthogonal
To increase its magnitude
To change its direction
To simplify calculations
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of the dot product of B and its orthogonal unit vector?
Undefined
1
-1
0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find a second orthogonal unit vector?
Add a scalar to the first vector
Multiply the first vector by -1
Divide the first vector by 2
Subtract a scalar from the first vector
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