UNIT

4

4.9: Find the Equation of a Perpendicular Line through a Point

Students understand the concepts of parallel lines and perpendicular lines and how those slopes are related. Students are able to find the equation of a line perpendicular to a given line that passes through a given point.

DECONSTRUCTION

OBJECTIVES

KEY VOCABULARY

STAR ITEMS

TAKE A QUIZ

Students will be able to determine the equation of a line perpendicular to a given line, passing through a specified point (either by graphing or substitution).

PERPENDICULAR

SLOPE

INTERSECT

ANGLE

RISE

OPPOSITE

RECIPROCAL

RUN

POSITIVE

FRACTION

PARALLEL

NEGATIVE

DIRECTION

SLOPE-INTERCEPT FORM