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Integer
All whole numbers (both positive and negative) and zero.
Opposite
on a number line, a number that is the same distance away from zero in the other direction
Rational Number
A number that can be written as a fraction
Absolute Value
The distance a number is from zero on a number line
Coordinate Plane
A plane that is divided into four regions by a horizontal line called the x-axis and a vertical line called the y-axis.
Ordered Pair
A pair of numbers that can be used to locate a point on a coordinate plane
Origin
(0,0) Intersection of the x and y axes. Center of the coordinate plane.
Quadrant
one of four sections into which the coordinate plane is divided
x-coordinate
the first number in an ordered pair
y-coordinate
the second number in an ordered pair
x-axis
the horizontal number line in a coordinate plane
y-axis
the vertical number line in a coordinate plane
Reflection
A transformation that "flips" a coordinate point over a line.
Positive Number
A number greater than zero.
Negative Number
A number less than 0
quadrant I
Quadrant II
Quadrant III
Quadrant IV