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Chapter 9 Vocabulary

coordinate grid A grid formed by a horizontal line called the x-axis and the vertical line called the y-axis.
data Information collected about people or things, often to draw conclusions about them.
interval The difference between one number and the next on the scale of a graph.
line graph A graph that uses line segments to show how data change over time.
line plot A graph that shows frequency of data along a number line.
ordered pair A pair of numbers used to locate a point on a grid. The first number tells the left-right position and the second number tells the up-down position.
origin The point where the two axes of a coordinate grid intersect; (0, 0).
scale A series of numbers placed at fixed distances on a graph to help label the graph.
x-axis The horizontal number line on a coordinate plane.
x-coordinate The first number in an ordered pair; tells the distance to move right or left from (0, 0).
y-axis The vertical number line on a coordinate plane.
y-coordinate The second number in an ordered pair; tells the distance to move up or down from (0, 0).
Created by: CoachD
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