math vocabulary by Timothy L.

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Across
  1. 2. a system of equations if there is no solution because the lines are parallel.
  2. 5. to place numbers in place of letters to calculate the value of an expression.
  3. 9. a set of points plotted on a horizontal and vertical axes.
  4. 12. equations where there is no answer to the equation.
  5. 13. a number that describes both the direction and the steepness of the line.
  6. 15. the principal or horizontal axis of a system of coordinates, points along which have a value of zero for all other coordinates.
  7. 17. a standard way of presenting that object as a mathematical expression.
  8. 19. a line through a scatter plot of data points that best expresses the relationship between those points.
  9. 21. A system of linear equations with exactly one solution pair.
  10. 23. a system in which the change of the output is not proportional to the change of the input.
  11. 24. a description of a system using mathematical concepts and language.
  12. 25. the degree to which two or more quantities are linearly associated.
  13. 26. a relationship between two variables in which one variable increases as the other decreases, and vice versa.
  14. 27. a finite set of equations for which common solutions are sought.
  15. 29. equations where any value for the variable would make the equation true.
Down
  1. 1. the slope of a vertical line.
  2. 3. the equation of a straight line in the form y = mx + b where m is the slope of the line and b is its y-intercept.
  3. 4. A system of equations that have infinite solutions.
  4. 6. the point where a graph crosses the y-axis.
  5. 7. a relationship between two variables that tend to move in the same direction.
  6. 8. used to mathematically describe the percentage change in value over a defined period of time, and it represents the momentum of a variable.
  7. 10. a numerical or constant quantity placed before and multiplying the variable in an algebraic expression.
  8. 11. an equation in which there is only one variable present.
  9. 14. the beginning output value, or the y-value when x = 0.
  10. 16. equations where there is only one value for the variable that makes the equation true.
  11. 18. a way to display frequencies or relative frequencies for two categorical variables.
  12. 20. a line parallel to the x-axis of the coordinate system.
  13. 22. find an answer to, explanation for, or means of effectively dealing with (a problem or mystery).
  14. 28. the axis of a plane Cartesian coordinate system parallel to which ordinates are .measured