Algebra Vocabulary Chapter 1- Abby Handell

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Across
  1. 2. substitute a given number for each variable, and then simplify
  2. 3. a number that is either rational or irrational
  3. 4. a mathematical sentence that compares the values of two expressions using an inequality symbol
  4. 7. an equation that contains one or more variables
  5. 8. a number that shows repeated multiplication
  6. 11. a number that is multiplied repeatedly
  7. 13. a mathematical phrase that can include numbers, variables, and operation symbols
  8. 15. a real number that can be written as a ratio of two integers. rational numbers in decimal form are terminating or repeating
  9. 17. PEMDAS
  10. 19. a number that cannot be written as a ratio of two integers. irrational numbers in decimal form are nonterminating and nonrepeating
  11. 20. the distance that a number is from 0 on a number line
Down
  1. 1. the counting numbers
  2. 5. the nonnegative numbers
  3. 6. the base and the exponent of an expression in the form a^n
  4. 9. a number that is the same distance from zero on the number line as a given number but lies in the opposite direction
  5. 10. a symbol, usually a letter, that represents one or more numbers
  6. 12. a mathematical sentence that uses an equal sign
  7. 14. any example that proves a statement false
  8. 16. whole numbers and their opposites
  9. 18. replace an expression with its simplest name or form