Q:

# What is vector notation?

A:

Vector notation is a written method for representing quantities that possess both direction and magnitude, such as acceleration. Vectors are often represented graphically by lines with an arrow pointing in the appropriate direction.

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When writing about vectors, they may be indicated by the name of the line segment with a right-facing arrow printed above the name, by applying boldface to the name of the vector, or by mathematical coordinates. Vector coordinates indicate direction, not location, so a vector written out as (-1, 3) is moving negatively one space in respect to the x axis, or left, and positively three spaces in respect to the y axis, or up. In handwriting, a squiggly line, or tilde, may be written underneath the name of the line segment to indicate that it is a vector.

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