Chapter 8.1-2 Algebra

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Across
  1. 3. The picture obtained by plotting all the points of an equation or inequality.
  2. 4. The c- and y-axes in the coordinate plane.
  3. 8. The horizontal number line in a coordinate plane.
  4. 9. gradient of a line is a number that describes both the direction and the steepness of the line.
  5. 11. (of points) lying in the same straight line.
  6. 14. The horizontal axis in the coordinate plane.
  7. 15. Straight up
  8. 16. The equation of a line in the form y=mx+b, where m is the slope and b is y-intercept
  9. 18. The vertical axis in the coordinate plane.
  10. 19. A pair of numbers for which the order of the numbers is important.
  11. 20. Lines in the same plane that do not intersect.
  12. 23. A polynomial equation of degree one.
  13. 24. The second coordinate in an ordered pair of numbers associated with a point in a coordinate in a coordinate plane.Akay-coordinate
  14. 25. The x-coordinate of a point where a graph intersects the x-axis.
  15. 26. The first coordinate in an ordered pair of numbers associated with a point in a coordinate plane. Aka x-coordinate
Down
  1. 1. the answer to a problem
  2. 2. All the points that are the graphs of the solution of the equation.
  3. 5. Any number that we can write as a decimal number, between 1.0 and 10.0, multiplied by a power of 10
  4. 6. A plane in which an ordered pair can be located by reference to two intersecting number lines.
  5. 7. See ordinate
  6. 10. a pair of numbers which are used to determine the position of a point or a shape in a 2-dimensional plane.
  7. 12. mark on a graph
  8. 13. See abscissa
  9. 17. The y-coordinate of a point where a graph crosses the y-axis/
  10. 21. One of the four regions into which the coordinate aces separate the plane.
  11. 22. The zero point on a number line. The intersection of the axes on a coordinate plane.