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Ch. 7 math formulas

Standard Form of a Linear Equation Ax+By=C
Rate of change 1. Find independent and dependent variables 2. Find rate of change change in dependent change in independent
Slope of a Line m= rise= change in y run change in x
Positive Slope Diagonal: rises from the left to right
Negative Slope Diagonal: falls from left to right
Zero Slope Horizontal line
Undefined Slope Vertical line
Slope y2-y1 x2-x1
Direct variation y=kx
Slope-Intercept Form of a Linear Equation y=mx+b
Created by: bearbuddy