3.3 L
INEAR
E
T
QUATIONS IN
WO
V
ARIABLES
W
: C
A
RITTEN BY
INDY
LDER
Objectives:
Write an equation of a line, given its slope and -
•
intercept.
Graph a line, using its slope and -intercept.
•
Write an equation of a line, given its slope and a point
•
on the line.
Write an equation of a line, given two points on the
•
line.
Write an equation of a line parallel or perpendicular to
•
a given line.
Write an equation of a line that models real data.
•