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Algebra 1, 1.2 Number Lines, Opposites, and Absolute Values
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Terms in this set (13)
number line
picture representation of numbers
origin
location of zero
positive numbers
all numbers to the right of the origin (larger than zero)
negative numbers
all numbers to the left of the origin (smaller than zero)
graph
point on a number line; often named with a capital letter
coordinate
number associated with a graph
horizontal
left to right
vertical
up and down
opposite numbers
numbers that are the same distance from zero but on opposite sides of zero
absolute value
distance between zero and a number's graph (can't be negative)
absolute value symbol
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segment
portion of a line created by connecting two points
midpoint
halfway point on a line segment found by averaging the two end points
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