3033263
Descrição
FlashCards por Erin Mooney, atualizado more than 1 year ago
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Criado por Erin Mooney
mais de 9 anos atrás
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| Questão | Responda |
| 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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