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Topic 1

Integers and Rational Numbers

TermDefinition
opposites two numbers that are the same distance from 0 on a number line in opposite directions
integers the set of positive whole numbers, their opposites, and zero
whole numbers consists of the number 0 and all of the counting numbers
zero neither positive nor negative
positive numbers numbers to the right of zero on a number line
negative numbers numbers to the left of zero on a number line
rational numbers numbers that can be written in the form a/b where a and b are integers and b can not equal 0
greater than compares two numbers with the greater number given first
less than compares two numbers with the lesser number given first
inequality says two values are not equal
absolute value a numbers distance from 0 on a number line
coordinate plane a surface formed by the intersection of two number lines
quadrant four regions of the coordinate plane divided by the axes
ordered pair a pair of numbers that describe the location of a point in the coordinate plane
x-coordinate tells the position along the x-axis
y-coordinate tells the position along the y-axis
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