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Chapter 9 Vocabulary
| Question | Answer |
|---|---|
| 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). |