Algebra Vocabulary!

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Across
  1. 2. Terms containing the same variable and exponent
  2. 4. the order of performing computations (PEMDAS) parenthesis, exponents, multiplication, addition, subtractions, read from left to right
  3. 5. When zero is added to another number, the sum is the number itself
  4. 11. A number and its additive inverse have a sum of zero, 3 + -3 = 0
  5. 14. The result of adding two numbers together
Down
  1. 1. An expression containing numbers and variables, and operations
  2. 3. A number without fractions, an integer, the numbers in the set {0,1,2,3,4...}
  3. 6. Any symbol, usually a letter, that could represent a number
  4. 7. Numbers that correspond to points on a coordinate grid in the form of an ordered pair (x,y)
  5. 8. The union of two sets A and B is the set of elements that are in A or B or in both. It is denoted by A U B
  6. 9. Let A={1,2} and B={x,y,z}, then A X B= {(1,x),(1,y), (1,z),(2,x),(2,y),(2,z)}
  7. 10. A network of horizontal and vertical lines designed for locating points, displaying data, or drawing maps
  8. 12. A mathematical sentence containing variables in which two expressions are connected by an inequality symbol, < >
  9. 13. A diagram that shows relationships among sets of objects