1580
1985
1990
19685
2000
1.
What
does
the
slope
of
a
line
represent?
2.
Find
the
formula
of
a
line,
what
1s
"m"?
What
is
"b"?
3.
Draw
a
graph
with
a
slope
showing
the
following
relationships:
(1)
as
x
increases
y
increases.
(2)
as
x
increases
y
decreases.
(3)
no
change
in
y
as
x
increases.
4.How
does
the
slope
in
the
chart
of
annual
temperature
vs.
time
compare
to
the
1880-2006
curve?
5.
As
you
saw
in
previous
weeks,
carbon
dioxide
and
other
greenhouse
gases
have
been
increasing
in
concentration
over
the
20th
Century.
Discuss
what
this
has
to
do
with
the
temperature
time
series
you
examined
this
week.
