Across
- 2. a coordinate whose value is determined by measuring parallel to an x-axis
- 8. ax+by=c; where a,b and c are integers and a and be are not both zero
- 9. steepness
- 11. the x-coordinate of a point where a graph intersects the x-axis
- 12. the y-coordinates of a point where a graph crosses the y-axis
- 13. a letter and a number, that locate a specific point on a grid,
- 14. a plane in which an ordered pair can be located by reference to two intersecting number lines
- 15. points that lie on the same line
- 17. an ordered pair of numbers that make the sentence true
- 19. the horizontal axis in the coordinate plane
- 21. the point in a coordinate plane associated with an ordered pair of real numbers
- 22. the picture obtained by plotting all the points of an equation or inequality.
- 23. to graph a number as a point on a number line
- 24. the first coordinate in an ordered pair of numbers associated with a point in a coordinate plane; x-coordinate
- 26. the second coordinate in an ordered par of numbers associated with a point in a coordinate plane; y-coordinate
- 27. a coordinate whose value is determined by measuring parallel to an y-axis
Down
- 1. a pair of numbers for which the order of the numbers is important
- 3. the x- and y-axes in the coordinate plane
- 4. the zero point on a number line; the intersection of the axes on a coordinate plane
- 5. lines in the same plane that do not intersect; nonvertical lines that have the same slope
- 6. the vertical axis in the coordinate plane
- 7. the equation of a line in the form y=mx+b; where m is the slope and b is the y-intercept
- 10. a polynomial equation of degree one
- 16. the vertical number line in a coordinate plane
- 18. one of the four regions into which the coordinate axes separate the plane
- 20. horizontal number line
- 25. the set consisting of zero and all the positive integers