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Linear Graphing
Forms of linear functions and slopes
Question | Answer |
---|---|
Slope-Intercept Form | y = mx+b |
Point-Slope Form | y-y1 = m(x - x1) |
Slope Formula | Change y / Change x |
Slopes of parallel lines | Equal slopes |
Slopes of perpendicular lines | Negative reciprocals or opposite reciprocals |
Slope of vertical line | No slope (undefined) |
Slope of horizontal line | 0 |
Equation of vertical line | x = a number |
Equation of horizontal line | y = a number |