Linear combinations, span, and basis vectors: Essence of Linear Algebra - Part 2 of 15

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Mathematics, Other
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11th Grade - University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of basis vectors in a coordinate system?
They determine the color of vectors.
They are used to scale and add vectors.
They are only used in three-dimensional space.
They are irrelevant in vector calculations.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can different basis vectors affect a coordinate system?
They have no effect on the system.
They change the numerical representation of vectors.
They make the system invalid.
They only affect the color of vectors.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term 'linear combination' refer to?
A combination of numbers without vectors.
A combination of vectors using addition and scaling.
A combination of shapes.
A combination of colors.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the 'span' of two vectors?
The set of all possible linear combinations of the vectors.
The distance between them.
The angle between them.
The color they form when combined.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are vectors commonly represented when dealing with collections?
As shapes.
As lines.
As points.
As colors.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a third vector is added to the span of two vectors in 3D space?
It always reduces the span.
It can either expand the span to 3D space or remain on the same plane.
It has no effect on the span.
It changes the color of the vectors.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean for vectors to be linearly dependent?
One vector can be expressed as a combination of others.
They are always perpendicular.
They cannot be combined.
They are always parallel.
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