Definition: A vector is a quantity that combines direction (angle) and magnitude (distance, speed or force).

Properties of vectors:
– When two vectors have the same magnitude and direction, they are equal.
– Moving a vector parallel to itself does not affect the vector.
– Two vectors are considered opposite if they have the same magnitude but point in opposite directions.

Example: Give an example of a vector.

Solution: The velocity of a ball is a vector because it tells us the magnitude (speed) and direction of the ball.

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