PA Chapter 1

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Across
  1. 6. the horizontal number line of the coordinate plane.
  2. 10. a combination of variables, numbers, and at least one operation.
  3. 11. Statements that are true for any numbers.
  4. 12. The point of intersection of the x-axis and y-axis on a coordinate plane.
  5. 13. A pair of numbers used to locate a point on the coordinate plane. the ordered pair is written in the form (x-coordinate, y-coordinate)
  6. 14. to find the value of an algebraic expression by replacing variables with numbers.
  7. 15. a mathematical statement stating that two quantities are equal.
  8. 16. the rules to follow when evaluating an expression.
Down
  1. 1. the first number of an ordered pair.
  2. 2. the second number of an ordered pair.
  3. 3. a mathematical language of symbols, including variables.
  4. 4. a symbol, usually a letter, used to represent a number.
  5. 5. the vertical number line of the coordinate plane.
  6. 7. A combination of numbers and operations.
  7. 8. a plane in which a horizontal number line and a vertical number line intersect at their zero points.
  8. 9. write the expression in the simplest form.