Algebra crossword puzzle

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Across
  1. 2. for a variable in an equation make the equation true
  2. 3. An ordered pair of numbers a and b written a/b where b does not equal 0
  3. 6. A rule, fact, or principle that is expressed in terms of mathematical symbols
  4. 7. ,A mathematical statement consisting of an equal symbol
  5. 9. , A way of writing very large or very small numbers
  6. 13. A pattern, character or image used instead of words
  7. 14. A line is a number that describes both the direction and the steepness of the line
  8. 15. ,Lines in a plane that are always the same distance apart
  9. 16. , the area contained by the x and y axes
Down
  1. 1. ,mathematical relationship between two variables that can be expressed by an equation
  2. 2. A form of writing a given mathematical concept like an equation, number, ,or an expression
  3. 4. A number which produces a specified quantity when multiplied by itself
  4. 5. , a value or values which when
  5. 6. ,An expression, rule or law that defines a relationship between one variable
  6. 8. To find the value of the expression when the variable is replaced by a given number
  7. 10. , rearranging an algebraic equation so that a different variable is on its own
  8. 11. , tells us about the unique or different symbols and notations it uses to represent a value
  9. 12. ,multiplying the sum of two or more addends by a number