Distance Formula

Mid-Point Formula

Pythagorean Theorem

a² + b² = c²

Coordinate

a pair of numbers used to determine the position of a point on a graph

Quadrilateral

a polygon with four sides

Midpoint

a point that divides a segment into two congruent segments

endpoint

a point at the end of a segment or ray

line segment

part of a line with two endpoints

perpendicular

intersecting at or forming right angles

parallell

lines that never intesect; have the same slope

inductive reasoning

reasoning from detailed facts to general principles

deductive reasoning

a process of reasoning logically from given facts to a conclusion

slope of a line

rise/run; numerical measure of steepness of a line

zero slope

a horizontal line

undefined slope

vertical line