Chapter 2

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College Math 110 Flashcards on Chapter 2, created by Erin Mooney on 06/07/2015.
Erin Mooney
Flashcards by Erin Mooney, updated more than 1 year ago
Erin Mooney
Created by Erin Mooney over 9 years ago
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Question Answer
Symmetry Symmetrical wrt: 1. X-axis if equation is unchanged when y is replaced with -y 2. Y-axis if equation is unchanged when x is replaced with -x 3. Origin if equation is unchanged when x and y are replaced by -x and -y
Slope -rise/run=m -measures rate of change from (x1,y1) to (x2,y2) -m=(y2-y1)/(x2-x1)
Equations of a Line 1. Point-Slope Form: y-y1=m(x-x1) 2. Slope-Intercept Form: y=mx+b (b=y-int) 3. Standard Form: ax+by=c (a,b=/=0)
Parallel and Perpendicular Lines -2 lines are parallel if they have the same slope -2 lines are perpendicular if their slopes are negative reciprocals of each other (m2=-1/m1)
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