1.
Which triangle is similar to
A.
B.
C.
D.
Hint
2.
Find cos 42° to the nearest thousandth.
A.
0.743
B.
0.900
C.
-0.399
D.
0.669
Hint
3.
In a right triangle, the length
c
of the hypotenuse is 14 and the length
b
of one of the legs is 8. Find the length
a
of the other leg to the nearest hundredth.
A.
11.49
B.
21.23
C.
16.12
D.
19.88
Hint
4.
Simplify
.
A.
B.
C.
D.
Hint
5.
Simplify
.
A.
The expression is in simplest form.
B.
C.
D.
Hint
6.
Solve
.
A.
-1
B.
0
C.
5
D.
no real solution
Hint
7.
Solve
.
A.
2
B.
no real solution
C.
0
D.
-1
Hint
8.
Find the distance between points with coordinates (3, -2) and (-2, 10).
A.
13
B.
C.
D.
7
Hint
9.
Find the result of
A.
B.
C.
D.
Hint
10.
Which of the following is not a condition of a radical expression in simplest form?
A.
No radicands have perfect square factors other than 1.
B.
No radicals appear in the denominator of a fraction.
C.
No radicands contain fractions.
D.
No radicals appear in the numerator of a fraction.
Hint
11.
Consider a right triangle whose height is 12 feet and whose hypotenuse is 15 feet. What is the area of the triangle?
A.
180 feet
B.
90 feet
C.
54 feet
D.
108 feet
Hint
12.
Find the value of
a
if the distance between (4, 3) and (–1,
a
) is 13 units.
A.
a
= 15 or –9
B.
a
= –15 or 9
C.
a
= –15 only
D.
a
= 15 only
Hint
13.
Suppose a man that is 6 feet tall is standing near a street light that is 10 feet high. If the shadow that is cast extends 20 feet away from the light, how far away from the light is the man?
A.
8 feet
B.
12 feet
C.
14 feet
D.
6 feet
Hint
14.
In the figure, what is the value of
x
?
A.
11.9
B.
10.23
C.
13.9
D.
9.75
Hint