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# ROLAND 2

TermDefinition
Constant of Porportionality Constant ratio of 2 variables related proportionally.
Direct Variation relationship between 2 variables in which data increase or decrease together at a constant rate.
linear equation equation whose solutions form a straight line on a coordinate plane
intersecting lines lines that cross at exactly 1 point
POINT SLOPE FORM equation of a line in the form of -y, = m(x-x) when m is The slope and x1,y1 IS a specific point on the line.
slope intercept form linear equation written in the form y= mx+b when m represents slope and b represents the y-intercept.
slope measure of the steepness of a line on a graph the rise divided by the run
x-intercept the x coordinate of the point where the graph of a line crosses the x axis.
y-intercept the y coordinate of point where the graph of a line crosses the y axis
unit rate rate in which second quantity in the comparison is 1 unit!!
proportional relationships A proportional relationship is a relationship between inputs to outputs in which the ratio of inputs and outputs is always the same. -found online-
rate of change The average rate of change function calculates the amount of change in one item divided by the corresponding amount of change in another. -found online-
Created by: juliannae2000