Shared Flashcard Set

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Geometry
Week 1
22
Mathematics
9th Grade
09/15/2013

Additional Mathematics Flashcards

 


 

Cards

Term
Pixel
Definition
A small dot of color which makes up TV and computer screens.
Term
Discrete Line
Definition
A line made of dots with space inbetween their centers.
Term
Oblique Line
Definition
a line that has a definite slope not equal to zero
Term
Horizontal Line
Definition
a line whose slope is zero
Term
Vertical Line
Definition
a line that goes straight up and down, and whose slope is defined as infinite or undefined
Term
Curcularity
Definition
when on a search, circling back to a previous place visited (definition, web site, etc.), usually unhelpful or redundant
Term
Undefined terms
Definition
Terms or words that have not been defined yet.
Term
Collinear
Definition
in the same line
Term
Coplanar
Definition
Within the same plane
Term
1Dimensional
Definition
having length, but no width; examples: a line, a ray, a segment
Term
2Dimensional
Definition
having both width and length, but no thickness
Term
3Dimensional
Definition
having length, width, and thickness (i.e., space)
Term
Figure
Definition
a set of points
Term
Space
Definition
 the set of all possible points; made up of infinite planes
Term
Betweeness
Definition
the quality or state of being between two others in an ordered mathematical set
Term
Segment
Definition
aka line segment; the set of points consisting of two distinct points and all inbetween them; written [image]
Term
Line Segment
Definition
the set of points consisting of two distinct points and all inbetween them; written [image]
Term
Endpoint
Definition
the ends of a line segment
Term
Ray
Definition
a one-dimensional figure that consists of one endpoint A, one point B, all of the points on [image], and all points for which B is between them and A; written [image]
Term
Opposite Rays
Definition
two rays with a common endpoint that form a line
Term
Distance Postulate
Definition
the shortest distance between two points
Term
Length of a line segment
Definition
the length of a line segment
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