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13 Cards in this Set

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Origin

the point where the x-axis


and the y-axis in the


coordinate plane intersect


(0,0)

line of symmetry

the line that divides a figure


into two halves that are


mirror images of each


other

positive number

numbers or integers that


are to the right of zero on


the number line

opposites

two numbers that are the


same distance from zero


on the number line, but


on different sides of zero

ordered pair

a pair of numbers that


can be used to locate a


point on the coordinate


plane

absolute value

the distance of an integer


from zero

integers

the set of whole numbers


and their opposites

coordinate plane

a plane formed by a


horizontal line that


intersects a vertical line

negative number

number or integers that


are to the left of zero on


the number line

x-coordinate

the first number in an


ordered pair; it tells the


distance to move right or


left from the origin

quadrants

the four regions of the


coordinate plane that


are separated by the x-


and y- axis

rational number

any number that can be


written as a ratio (a/b),


where a and b are integers


and b cannot equal 0

y-coordinate

the second number in an


ordered pair; it tells the


distance to move up or


down from the origin