Math
001
Exam3C
NAJVffi
November
12,
1997
25
Minutes
SECTION
Show
all
of
your
work for
full
credit
Put
a
|
around
your
final
answer.
Point
values
are
[8]
1.
Factor
completely:
4w
2
-4
^
[8]
2.
Solve
forx:
6-x
=
X
-t"3°O
or
3.
Given:
h(t)
=
-\6t
-16r
+
48
Evaluate
the
following:
[4]
a.
-,
-
4
-
?
4-
3(*
4.
Given
the
points
(-7,
15)
and
(-2,
5)
complete;
parts
(a)
-
(c).
HO]
a.
Determine
the
slope
of
the
line
containing
the
points.
.
r\
,
L
J
c
,^
,,,
(Lorvfcf
tur^jala.
>-»
/\
_
j
-~~
I
V
—
I
(
J
__
i
•
i
t
•subs
[4]
b.
Determine
one
other
point
on
the
line.
or
(~\
^3}
sr
3
i
mp
I
/
n
cccb'o/n
2.
p
coordl/n
2.
[10]
c.
Use:
your
slope
from
part
(a)
and
either
point
to
write
the equation
of
the
line.
Write
your
final answer
in
slope-intercept
form.
y
=
-2.
ft
5.
Given
the
line
y
=
-x
+
l,
answer
the
following:
[2]
a.
What
is
the
slope
ofany^line
parallel
to
this
line?
[4]
b.
What
is
the
siopeufany
line
perpendicular
to
this
line?
ft''
S
ftr