Algebra 1 special project

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Across
  1. 4. a measure of steepness
  2. 7. estimating or concluding something
  3. 9. the difference between predicted values of y
  4. 10. two lines that meet or intersect each other at right angles
  5. 12. the point at which the graph of an equation crosses the x-axis
  6. 13. the point where a graph crosses the y-axis
  7. 14. a piecewise constant function, that has only a finite number of pieces.
  8. 15. there is no relationship between the two variables.
Down
  1. 1. a line that never intersects
  2. 2. a geographical feature or a set of points on a graph.
  3. 3. a relationship between two variables that tend to move in the same direction.
  4. 5. relationship between two variables which can be expressed by an equation in which one variable is equal to a constant times the other.
  5. 6. a function that serves to “undo” another function.
  6. 8. an equation between two variables that gives a straight line when plotted on a graph.
  7. 11. determining a value from the existing values in a given data set