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the distance from zero on the number line
absolute value
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a property of the real numbers that states that the order in which numbers are added or multiplied does not change the value
commutative property
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a two-dimensional system in which a location is described by its distance from two intersecting, perpendicular axes
coordinate plane
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the result of subtracting two numbers
difference
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the number being divided
dividend
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the number that another number is to be divided by
divisor
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a number that is multiplied
factor
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a shape or object that has been transformed
image
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a number belonging to the set made up of the whole numbers and their opposites
integer
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opposite operations that undo one another
inverse operations
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the mirror line; the line across which a figure is flipped
line of reflection
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the line which divides a figure into two congruent mirror images
line of symmetry
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property where a figure can be folded along a line to create two congruent mirror images
line symmetry
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a number belonging to the set made up of the counting numbers: 1, 2, 3, and so on
natural number
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a number that is less than zero
negative number
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a line that graphically represents all numbers
number line
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two numbers that are the same distance from zero on the number line but in opposite directions
opposite numbers
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a group of two numbers written in the order (x, y), where the first value represents a horizontal position and the second value represents a vertical position
ordered pair
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the intersection of the x-axis and y-axis
origin
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a number that is greater than zero
positive number
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the original shape or object that is being transformed
pre-image
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the result of multiplication
product
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the four sections of the coordinate plane
quadrants
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the result of dividing two numbers
quotient
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a transformation in which a figure turns around a fixed center point.
rotation
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a transformation in which a figure is flipped across a line to give a mirror image of the original figure
reflection
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the result of adding two or more numbers
sum
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a change made to a shape or object
transformation
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a transformation in which a figure is slid to a new location
translation
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a number belonging to the set made up of zero and the natural numbers
whole number
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the horizontal axis on the coordinate plane
x-axis
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the horizontal distance from the y-axis; written first in an ordered pair
x-coordinate
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the vertical axis on the coordinate plane
y-axis
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the vertical distance from the x-axis; written second in an ordered pair
y-coordinate
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a pair of numbers whose sum is zero
zero pair
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