Unit Two Vocabulary

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Across
  1. 2. Base of 10 raised to any exponent
  2. 5. Terms in an algebraic expression that have the same variable raised to the same power
  3. 9. The sum of a number and its additive inverse is zero.
  4. 13. Pairs of operations that undo each other.
  5. 15. Integers greater than zero
  6. 17. Multiply a number times itself two times
  7. 18. a decimal that contains a finite number of digits.
  8. 20. cubes that are not whole numbers
  9. 22. Numbers are multiplicative inverses of each other if they multiply to equal the identity, 1
  10. 24. A mathematical sentence that contains an equals sign.
  11. 26. The set of numbers ...,-3,-2,-1,0,1,2,3,…
  12. 30. the number or expression used as a factor for repeated multiplication.
  13. 31. a decimal that neither terminates nor repeats.
  14. 32. which is read "the bth root of a," is called a radical.
  15. 33. Exponents that are negative
  16. 36. A decimal number in which a digit or group of digits repeats without end.
Down
  1. 1. a number greater than zero
  2. 3. The number of times a number or expression (called base) is used as a factor of repeated multiplication, or Power.
  3. 4. Two numbers whose product is 1.
  4. 6. A letter or symbol used to represent a number.
  5. 7. A number that can be written as a b where a and b are integers, but b is not equal to 0.
  6. 8. A number whose decimal form is nonterminating and nonrepeating.
  7. 10. Numbers less than 0.
  8. 11. a number that is the square of a whole number.
  9. 12. A number times itself 3 times.
  10. 14. numbered expression
  11. 16. a decimal that continues without end
  12. 19. A number that can be written as a b where a and b are integers, but b is not equal to 0.
  13. 21. a number that is the cube of a whole number
  14. 23. squares that are not whole numbers
  15. 25. A phrase involving at least one variable and sometimes numbers and operation symbols.
  16. 27. a number written with an exponent. For example, 63 is called an exponential.
  17. 28. a way to express a very large or very small number as the product of a number between 1 and 10 and a power of 10.
  18. 29. All the rational and irrational numbers; all of the numbers that can be expressed as decimals.
  19. 34. A guess about the size, cost, or quality of something.
  20. 35. One of three equal (identical) factors of a given number