-$2. In a circle of radius 5, & central angle has measure106o. What is the length of the chord joining theendpoints of the arc cut off by this angle?
(A) 6.02(B) 6.63(c) 7.18(D) 7.gg(E) 13.27
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'85-

MATHEMATICS LEVEL
2
TESI
-(sntinued
USE
THIS
SPACE
FOR SCRATCH WORK.
43. Which of the following best describes the set of
all points
in
space
that
are
2
units
from
a
given
line
L?
A
line parallel
to
l,
and 2
units
from
{.
Two
lines parallel
to
(.
and 2
units
from
l,
A
circle of
radius 2.units
with
its
conter
on
(,
A
cylinder of
infinite
height
and
radius
2
units
with
{,
as
its
axis
A
sphere
of
radius
2
units
with
its
center
on
I
0.08
0.14
0.22
0.34
0.40
1.23
1.57
1.7
5
2.02
2.70
44. If f(r) = n5*, what is the value of 7-i (2e)?
Np[p:
Figure not
drawn
to
scale,
45.In the figure above, points A, B, and C are
collinear.
If
x
=
0.5,
what
is the value
of
h
?
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'86-

MATHEMATICS LEYBL
2 TEST
-(sntinued
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SPACE
FOR SCRATCH
WORK.
{6. A coin collection was valued at $1,250 in 1970,
and
by
2000 the
collection
had
tripled
in
value.
If
the value
of
the
coin collection
increased
by
the
same
percent
each
year,
which of
the
following
best
estimates the annual percent increase
during
the
time
period
1970
to
2000
?
(A) 37o(B) 3.73Vo(C) 4.5Vo(D) 6.677o(E) L\Vo
N"qfg
Figure
not drawn to
scale.
17
. The
figure
above shows
a
portion
of
the
graph
of
the
function
f
(*)
=
logrsx. What
is the
area
of
trapezoid
ABCD
?
(A)
13s
(B)
1s0
(c)
4es
(D)
4,950
(E)
5,500
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MATHEMATICS LEVEL
2
TEST-
Continued
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FOR SCRATCH WORK.
48. The roots of the equation *2 - 7 x + 2 - 0 ares and t. Which of the following equations hass*1and t+l asroots?
P
49. In the figure above , PQR
with
side
PR
extended
to
cos
.r
=
is
a
right
triangle
S.
If
sin
y
--
+,
then
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5
-4
4
5
3
-=
5
3
5
4
5
'88-

MATHEMATICS LEVEL
2
TESI
-Qsntinued
50. The height h, tnfeet, of a ball )fr"t is thrown withan initial velocity of 48 feet per second can be
determined
by
the
equation
h
=
-16t2
+
48t,
where
t
is
time
in
seconds.
How
many
seconds
after the
ball
reaches
its maximum height
will
its
height be 20
feet?
STOP
IF
YOU FINISH BEFORE
TIME
IS
CALLED, YOU
MAY
CHECK
YOUR
WORK
ON THIS TEST ONLY.
DO NOT TURN TO
ANY
OTHER
TEST
IN THIS
BOOK.
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page
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'89-