Across
- 2. A plane formed by the intersection of a horizontal number line called the x-axis and a vertical number line called the y-axis.
- 4. An element of the set of whole and their opposites.
- 6. A number whose value does not change.
- 7. The two perpendicular lines of a coordinate plane that intersect at the origin.
- 11. The number of times a data value occurs.
- 13. A rate in which the second quantity in the comparison is one unit.
- 14. A number line with marks or dots that show frequency.
- 18. A value much greater or much less than the others in a data set.
- 19. A ratio that compares two quantities measured in different units.
- 20. A graph that uses vertical or horizontal bars to display data.
Down
- 1. A table that lists items together according to the number of time or frequency that the items occur.
- 3. A mathematical sentence that shows the relationship between quantities that are not equal.
- 5. The number that is multiplied by the variable in an algebraic expression.
- 8. A letter or symbol used to represent s quantity that can change.
- 9. A comparison of two quantities by division.
- 10. Operations that undo each other: addition and subtraction or multiplication and division.
- 12. A bar graph whose bars represent the frequency of numeric data within equal intervals.
- 15. The number or numbers that occur most frequently in a set of data; when all numbers occur with the same frequency we say there is no mode.
- 16. The middle number of the mean (average) of the two middle numbers in an ordered data set.
- 17. The sum of the items in a set of data divided by the number of items in the set; also called average.