Geo Exam 1: Review 3 - Parallel, Perpendicular, & Proofs

Front

What is the definition of parallel lines?

Back

Parallel lines are lines in a plane that never meet; they are always the same distance apart and have the same slope.

Front

What is the definition of perpendicular lines?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees). The slopes of two perpendicular lines are negative reciprocals of each other.

Front

What is the slope-intercept form of a linear equation?

Back

Front

How do you find the slope between two points (x1, y1) and (x2, y2)?

Back

Front

What is the equation of a horizontal line?

Back

Front

What is the equation of a vertical line?

Back

Front

If two lines have the same slope, what can be said about their relationship?

Back

If two lines have the same slope, they are parallel and will never intersect.

Front

What is the relationship between the slopes of two perpendicular lines?

Back

Front

Back

Front

What is the significance of the y-intercept in a linear equation?

Back