Math Chapter 8

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Across
  1. 1. the first coordinate in an ordered pair of numbers associated with a point in a coordinate plane; also known as x-coordinate
  2. 3. ax+by=c, where a, b, and c are integers and a and b are not both zero
  3. 7. an ordered pair of numbers that make the sentence true
  4. 8. the equation of a line in the form y=mx+b, where m is the slope and b is the y-intercept
  5. 9. a polynomial equation of degree one
  6. 10. points that lie on the same line
  7. 12. the horizontal axis in the coordinate plane
  8. 13. the x-coordinate of a point where a graph intersects the x-axis
  9. 16. the set consisting of zero and all the positive integers
  10. 18. the vertical number line in a coordinate plane
  11. 19. the y-coordinate of a point where a graph crosses the y-axis
  12. 22. one of the four regions into which the coordinate axes separate the plane
  13. 25. all the points that are the graphs of the solutions of the equation
  14. 27. the abscissa and ordinate of the point, written as an ordered pair of numbers
Down
  1. 2. a plane in which an ordered pair can be located by reference to two intersecting number lines
  2. 4. the second coordinate in an ordered pair of numbers associated with a point in a coordinate plane; also called y-coordinate
  3. 5. the second coordinate in an ordered pair of numbers associated with a point in a coordinate plane; also called ordinate
  4. 6. the point in a coordinate plane associated with an ordered pair of real numbers
  5. 11. the x- and y-axes in the coordinate plane
  6. 14. locate the graph of an ordered pair of real numbers in a coordinate plane
  7. 15. a pair of numbers for which the order of the numbers is important
  8. 17. the zero point on a number line; the intersection of the axes on a coordinate plane
  9. 20. lines in the same plane that do not intersect; nonvertical lines that have the same slope
  10. 21. the horizontal number line in a coordinate plane; also called the x-axis
  11. 23. the vertical number line in a coordinate plane
  12. 24. the first coordinate in an ordered pair of numbers associated with a point in a coordinate plane; also known as abscissa
  13. 26. if (x₁, y₁) and (x₂, y₂) are two different points on a line, the slope of the line is given by y₂-y₁/x₂-x₁