temp pc.notebook
January 22, 2014
Bell Work:
Jan 21­2:37 PM
in slope-intercept form?
Jan 22­9:05 AM
1
temp pc.notebook
January 22, 2014
sec. 1.1: continued
Jan 15­10:28 AM
Ex.
Find the equation of
the line through the
given points.
Jan 29­1:56 PM
2
temp pc.notebook
Ex.
January 22, 2014
During 2006, Research in Motion's net profits were $631.6 million,
and in 2007, they were $1293.9 million.
Write a linear equation giving the net profits (y) in terms
of the year (x). Let x=0 represent the year 2000.
Jan 16­12:44 PM
Graph:
Jan 29­1:30 PM
3
temp pc.notebook
January 22, 2014
Graph:
4x - 3y = 12
Jan 29­1:30 PM
Parallel Lines
have equal slopes
ex.
m1 = //
m2 =
Perpendicular Lines
slopes are opposite reciprocals
ex.
m1 = T
m2 =
Jan 31­3:43 PM
4
temp pc.notebook
ex.
January 22, 2014
Find the equation of the line through (­1, 7)
parallel to 2x + y = 8
Jan 31­3:48 PM
ex.
Find the equation of the line through (2, ­10)
perpendicular to 2x ­ 6y = 8
Jan 31­3:48 PM
5
temp pc.notebook
January 22, 2014
Jan 22­7:43 AM
6