| A | B |
| quadrilateral | a polygon with 4 sides |
| parallelogram | a quadrilateral with 2 pairs of parallel sides |
| rectangle | a qudrilateralwith 4 righ angles |
| square | a quadrilateral with 4 right angles and 4 congruent sides |
| rhombus | a quadrilateral with 4 congruent sides |
| slope-intercept form | y = mx + b |
| standard form | Ax + By = C |
| parallel | 2 nonvertical lines are ___ if their slopes are equal. |
| perpendicular | 2 nonvertical lines are ___ if the product of their slopes = -1 |
| coordinates | (2 , 3) |
| origin | (0, 0); the intersection of the axes |
| quadrants | The x- and y-axes divide the coordinate plane into 4 ___ . |
| coordinate plane | rectangular coordinate system |
| point-slope form | y - y1 = m (x - x1) |