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Module 8 Vocabulary

TermDefinition
Constant of variation The constant ratio in a direct variation. It is also called the constant of proportionality.
Constant rate of change The rate of change between any two points in a linear relationship is the same or constant.
Corresponding parts Parts of congruent or similar figures that are in the same relative position.
Direct variation A relationship between two variable quantities with a constant ratio. A proportional linear relationship.
Initial value The starting value in a real world situation in which an equation can be written. The y-intercept of a linear function.
Linear equation An expression with a graph that is a straight line.
Linear Relationships A relationship for which the graph is a straight line.
Rate of change A rate that describes how one quantity changes in a relation to another quality.
Rise The vertical change between any two points on a line.
Run The horizontal change between any points on a line.
Similar figures Figures that have the same shape but not necessarily the same size.
Slope The rate of change between any two points on a line.
Slope-intercept form An equation is written in the form y=mx+b, where m is the slope and b is the y-intercept.
Slope triangles Right triangles that fall on the same line on the coordinate plane.
Solution a specific answer or method used to resolve a problem
y-intercept The y-coordinate of the point where the line crosses the y-axis
Created by: user-1981839
 

 



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