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Unit 3
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 |