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Linear Graphing

Forms of linear functions and slopes

QuestionAnswer
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
Created by: lajerauld
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