Unit 2 FLASHCARD REVIEW: Vocabulary & Quadrilaterals

Front

What is a line in geometry?

Back

A geometric object that is straight, has no thickness, and contains infinitely many points.

Front

What is the slope of a line with a rise of 3 and a run of 7?

Back

3/7

Front

What is the value of p if the equation is given as p = 78?

Back

78

Front

What type of lines have opposite reciprocal slopes?

Back

Perpendicular lines.

Front

What is a ray in geometry?

Back

A part of a line that starts at a point and extends infinitely in one direction.

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

Define parallel lines.

Back

Lines in a plane that never meet and are always the same distance apart.

Front

What is the definition of a linear pair?

Back

A pair of adjacent angles whose non-common sides are opposite rays.

Front

What is the relationship between the slopes of parallel lines?

Back

Parallel lines have the same slope.

Front

What is the relationship between the slopes of perpendicular lines?

Back

The slopes of perpendicular lines are negative reciprocals of each other.