Danielle Bryant

Term Definition
constant of proportionality the constant value of the ratio of two proportional quantities x and y
Direct Variation when two variables are related in such a way that the ratio of their values always remains the same
Linear Equation an equation between two variables that gives a straight line when plotted on a graph
point-slope form a method for graphing a linear equation on an x-y axis
slope-intercept form y=mx+b where m is the slope of the line and b is the y-intercept
rate of change the ratio of the change in the output value and change in the input value of a function
slope the slant or tilt of a line (rise over run)
x-intercept where the graph crosses the x-axis
y-intercept where the graph crosses the y-axis
unit rate rate with a denominator of 1
proportional relationship between two quantities is one in which the two quantities vary directly with one another
intersecting lines the point where two lines meet or cross