math vocabulary by Timothy L.

3. a system in which the change of the output is not proportional to the change of the input.
4. a way to display frequencies or relative frequencies for two categorical variables.
7. a number that describes both the direction and the steepness of the line.
8. an equation in which there is only one variable present.
9. a line parallel to the x-axis of the coordinate system.
10. a numerical or constant quantity placed before and multiplying the variable in an algebraic expression.
11. the beginning output value, or the y-value when x = 0.
16. a system of equations if there is no solution because the lines are parallel.
18. a relationship between two variables in which one variable increases as the other decreases, and vice versa.
19. the axis of a plane Cartesian coordinate system parallel to which ordinates are .measured
21. to place numbers in place of letters to calculate the value of an expression.
24. equations where there is no answer to the equation.
26. the slope of a vertical line.
27. the degree to which two or more quantities are linearly associated.
28. a finite set of equations for which common solutions are sought.

1. a relationship between two variables that tend to move in the same direction.
2. the point where a graph crosses the y-axis.
5. used to mathematically describe the percentage change in value over a defined period of time, and it represents the momentum of a variable.
6. a set of points plotted on a horizontal and vertical axes.
7. find an answer to, explanation for, or means of effectively dealing with (a problem or mystery).
12. A system of equations that have infinite solutions.
13. equations where any value for the variable would make the equation true.
14. a description of a system using mathematical concepts and language.
15. A system of linear equations with exactly one solution pair.
17. 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.
20. the principal or horizontal axis of a system of coordinates, points along which have a value of zero for all other coordinates.
22. a line through a scatter plot of data points that best expresses the relationship between those points.
23. a standard way of presenting that object as a mathematical expression.
25. equations where there is only one value for the variable that makes the equation true.