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# Unit 7 Integers

### Rational Exploration:Numbers and their Opposites

TermDefinition
Absolute value The distance between a number and zero on the number line.
Cartesian Coordinate Plane A plane containing two perpendicular axes (x and y) intersecting at a point called origin (0,0).
Coordinates An ordered pair, (x,y) that locates a point in a plane.
Distance Amount of separation between 2 points.
Integers The set of whole numbers and their opposites {...-3,-2,-1,0,1,2,3...}.
Magnitude Greatness in size or amount
Negative numbers The set of numbers less than zero
Opposite number Two different numbers that have the same absolute value. Example: 4 and -4 are opposite numbers because both have an absolute value of 4.
Ordered Pair A pair of numbers, (x,y) , that indicate the position of a point on the Cartesian coordinate Plane.
Origin The point of intersection of the vertical and horizontal axes of a Cartesian coordinate plane. The coordinates of the origin are (0, 0).
Positive number The set of numbers greater than zero.
Quadrant One of the four regions on a Coordinate plane formed by the intersection of the x-axis and the y-axis.
Rational number The set of numbers that can be written in the form a/b where a and b are integers and b is not equal to 0.
Sign a symbol that indicates whether a number is positive or negative. Example: in -4, the (-) sign hows this number is read “negative four”.
x-axis The horizontal number line on the Cartesian coordinate plane.
x-coordinate The first number of in ordered pair; the position of a point relative to the vertical axis
y-axis The vertical number line on the Cartesian coordinate plane
y-coordinate The second number in an ordered pair; the position of a point relative to the horizontal axis
Created by: nzaboroskie