unit 4: parallel and perpendicular lines
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11 terms
Terms | Definitions |
|---|---|
 alternate exterior angles | Angles that lie on the exterior of two lines but on opposite sides of the transversal |
| alternate interior angles | Angles that lie on the interior of two lines and on opposite sides of the transversal |
| consecutive interior angles (same-side interior) | Angles that lie on the interior of two lines and on same sides of the transversal |
| corresponding angles | Angles that lie on same position on the lines and transversal |
| parallel lines | Coplanar lines that never intersect |
| point-slope form | An equation in the form: y - y-coor = m(x - x-coor) given the a point (x-coor, y-coor) and slope of a line. |
| skew lines | NON-coplanar lines that do NOT intersect |
| slope | For a non-vertical line containing two points on the coordinate system, the ratio of the change in the y-coordinates/ the change in the x-coordinates. |
| standard form | A linear equation in the form Ax + By = C |
| slope intercept form | A linear equation in the form y = mx + b. M is slope and b is the y-coordinate of the y-intercept (0,b) |
| transversal | A line that intersects two or more lines in a plane at different points |
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