Coordinate Algebra Puzzle

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Across
  1. 7. A number multiplied by a variable.
  2. 8. A letter or symbol used to represent a number.
  3. 9. Any mathematical sentence that contains the symbols > (greater than), < (less than), <
  4. 11. A rule of matching elements of two sets of numbers in which an input value from the first set has only one output value in the second set.
  5. 14. The Vertical distance between an observed data value and an estimated data value on a line of best fit.
  6. 16. is a pattern in the data.
Down
  1. 1. an isometry where all points in the preimage are moved parallel to a given line.
  2. 2. A mathematical phrase involving at least one variable and sometimes numbers and operation symbols.
  3. 3. A number sentence that contains an equals symbol.
  4. 4. Shift Number of units the graph of the function is moved up or down; a translation.
  5. 5. To replace one element of a mathematical equation or expression with another.
  6. 6. The sum of the lengths of the sides of a polygon.
  7. 10. a measure of the rate of change of one.
  8. 12. Difference The number added to each consecutive term in a geometric sequence.
  9. 13. a continuous series of values.
  10. 15. The set of x-coordinates of the set of points on a graph; the set of x-coordinates of a given set of ordered pairs. The value that is the input in a function or relation.