Chapter 3 Vocabulary

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14 terms

integer

whole numbers and there opposites

graph

process of placing a point on a number line at its proper location

positve integer

an integer that is greater than zero

negative integer

an integer that is less than zero

absolute value

the distance the number is from zero on a number line

coodinate plane

a plane in which a horizontal number line and a verticle number line intersect at their zero points

x-axis

the horizontal number line in a coordinate plane

y-axis

the vertical number line in a coordinate plane

origin

the point at which the x-axis and the y-axis intersect in a coorfinate plane

ordered pair

a pair of numbers used to locate a point in the coordinate plane (x-coordinate, y-coordinate)

x-coordinate

the first number of an ordered pair and corresponds to a number on the x-axis

y-coordinate

the second number of an ordered pair and corresponds to a number on the y-axis

quadrant

one of the four regions into which the two perpendicular number lines of the coorfinate plane separate the plane

additive inverse

two integers are opposites if are represented on the number line by points that are same distance from zero, but on opposite sides of zero

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