Algebra Crossword Puzzle

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Across
  1. 2. The set of possible input values of a function also called the independent variable
  2. 3. The set of output values of a function also called the dependent variable
  3. 4. The fixed point where coordinates are measured from and where the axes intersect at (0,0)
  4. 5. A function that can be represented graphically as a straight line
  5. 8. One of the four infinite regions formed by the axes in a two-dimensional Cartesian plane
  6. 10. A letter that represents an unknown number
  7. 12. Relationships between two variables where their ratios are equivalent
  8. 14. A relationship between ordered pairs that can be represented as a table graph or mapping
  9. 15. A relation where each input creates one and only one output
Down
  1. 1. Fixed reference lines for the measurement of coordinates including the x-axis and y-axis
  2. 2. The meaning or explanation of a word or concept
  3. 6. A mirror-symmetrical U-shaped plane curve
  4. 7. A math sentence with an operation sign
  5. 9. Multiplying an integer by itself to create a square number
  6. 11. A number multiplied by a variable and written in front of it
  7. 13. Numbers variables or a combination of both in an expression or equation