Chapter 1

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Across
  1. 3. given a nonzero rational number a/b, the multiplipative inverse, or reciprocal, is b/a. the product of a nonzero number number and its multiplicative inverse is 1.
  2. 9. ax0=0
  3. 11. a+0=0
  4. 14. a symbol, usually, a letter that represents the values of a variable.
  5. 15. mathematical sentence that uses an equal sign
  6. 16. the expression under the radical symbol
  7. 18. radical symbol and radicand
  8. 20. The product of 3 and a minus 4
  9. 21. term that has no variable
  10. 23. 9 less than x
  11. 24. mathematical phrase involving numbers and operation symbols.
  12. 27. contains one or more variables and may be true or false depending on the valuses of its variables
  13. 28. numbers that are the same distance from the number line but are on the other side.
  14. 30. 8 times a number n
  15. 31. numbers that have the same variable factors
Down
  1. 1. (a+b)+c=a(b+c)
  2. 2. a numbers distance from the number line
  3. 4. number variable or the product of a number and one or more variables
  4. 5. two algebraic expressions that have the same value for all values of variables
  5. 6. a+b=b+a, 3x7=7x3, 3-7=7-3
  6. 7. containing a variable is a value of the variable that makes the equation true
  7. 8. anything that can be measured or counted.
  8. 10. the order in which you solve a problem
  9. 12. a number and its opposite
  10. 13. mathematical phrase involving numbers and operation symbols.
  11. 17. an example that shows that a statement is false.
  12. 19. process of reasoning logically from given facts to a conclusion
  13. 22. 9 less than the quotient of 6 and x
  14. 25. numeral factor of a term
  15. 26. square of an integer
  16. 29. the sum of x and 8, x plus 8