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mod 8 vocab

QuestionAnswer
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 equation 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 describe how one quantity changes in relation to another quantity
rise the vertical change between any two points on a line
run the horizontal change between any two points on a line
similar figures figures that have the same shape but not necessarily
slope the rate of change between any two points on a line. the ratio of the rise, or vertical change, to the run, or horizontal change
slope-intercept form an equation 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 coordinate plane
solution consist of two numbers,one for each variable, that make the equation true or would be on the graph of the line
y-intercept the y-coordinate of the point where the line crosses the y-axis
Created by: user-2001633
 

 



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