PreCalculus: Vectors

Front

What is a vector?

Back

A vector is a mathematical object that has both magnitude and direction, represented as an ordered pair or triplet of numbers in a coordinate system.

Tags

CCSS.HSN.VM.A.1

Front

What is a scalar?

Back

A scalar is a quantity that is fully described by a magnitude alone, without any direction.

Tags

CCSS.HSN.VM.A.1

Front

What is the magnitude of a vector?

Back

Tags

CCSS.HSN.VM.A.1

Front

Which of the following is always positive: vector, scalar, direction, or magnitude?

Back

Magnitude is always positive.

Tags

CCSS.HSN.VM.A.1

Front

How do you find the directional angle of a vector?

Back

Tags

CCSS.HSN.VM.A.1

Front

Back

The directional angle is approximately 71.6 degrees.

Tags

CCSS.HSN.VM.A.1

Front

Back

Tags

CCSS.HSN.VM.A.1

Front

Back

Tags

CCSS.HSN-VM.B.5A

CCSS.HSN-VM.B.5B

Front

How do you find the direction angle of a vector with initial side at (0, 0) and terminal side at B?

Back

Tags

CCSS.HSN.VM.A.1

Front

What is the difference between a vector and a scalar?

Back

A vector has both magnitude and direction, while a scalar has only magnitude.

Tags

CCSS.HSN.VM.A.1