math vocabulary by Timothy L.

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