Vocabulary for Algebra

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Across
  1. 2. A line that runs left to right.
  2. 4. Numbers or variables separated by + or - .
  3. 6. The four regions on the coordinate plane.
  4. 8. The longest side of a right triangle.
  5. 10. The point with coordinates (0,0).
  6. 11. Rise over run. The growth triangle on a line.
  7. 12. The distance around a figure.
  8. 14. A non-linear graph. It looks like a U-shape.
  9. 15. Non-terminating numbers such as pi.
  10. 16. The number of square units used to fill up a surface
  11. 17. Another word for 'growth'.
  12. 20. A line that runs up and down.
Down
  1. 1. To combine like terms. To reduce or make smaller
  2. 3. A point where the line crosses the x-axis.
  3. 5. The = is used to show that two sides are equal.
  4. 7. A point where the line crosses the y-axis.
  5. 9. In 2(x+3), the ________ property is used.
  6. 13. To find the numerical value of.
  7. 15. The set of positive and negative numbers.
  8. 18. Numbers that can be written as fractions.
  9. 19. Letters used to represent numbers in algebra.