Write a polar point in different ways

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Mathematics
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9th - 10th Grade
•
Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the radius used in the initial point plotting example?
5
4
3
2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you find equivalent angles for a given angle?
By dividing by 2π
By multiplying by 2π
By adding or subtracting 2π
By adding or subtracting π
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the radius in polar coordinates?
It acts as a scalar
It is irrelevant
It determines the angle
It is always negative
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can polar coordinates be converted to rectangular form?
By using sine and cosine functions
By using tangent and cotangent functions
By using secant and cosecant functions
By using only the radius
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a vector is multiplied by a negative scalar?
It reflects about the origin
It becomes zero
It doubles in length
It rotates 90 degrees
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of vectors, what does a negative scalar do?
Increases the vector's magnitude
Has no effect on the vector
Decreases the vector's magnitude
Reflects the vector about the origin
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the angle used to find another representation of the point in the vector example?
2π/3
5π/3
π/3
4π/3
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