1.
What is implied when it is said that
x
and
y
have a negative correlation?
A.
When the value of
x
increases, the value of
y
decreases.
B.
When the value of
x
increases, the value of
y
does not necessarily increase or decrease.
C.
When the value of
x
increases, the value of
y
increases.
D.
When the value of
x
is negative, the value of
y
negative.
Hint
2.
Select the correct graph for the relation
y
= -2
x
if the domain is
{-2, -1, 0, 1, 2}.
A.
B.
C.
D.
Hint
3.
The diameter of a circle is 8. What is the radius?
A.
16
B.
C.
4
D.
Hint
4.
Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many students responded with an answer of 4 or more family members?
A.
45
B.
50
C.
20
D.
70
Hint
5.
Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many students responded with an answer of less than 6 family members?
A.
90
B.
5
C.
80
D.
85
Hint
6.
A blueprint of an office building has a scale of
inch = 2 feet. What are the dimensions of a storage closet that measures 3 inches by
inches on the blueprint?
A.
feet by 4 feet
B.
feet by 10 feet
C.
8 feet by 12 feet
D.
6 feet by 9 feet
Hint
7.
What is the greatest value of the data?
A.
13
B.
19
C.
9.5
D.
10
Hint
8.
Draw a box-and-whisker plot of the data.
A.
B.
C.
D.
Hint
9.
What kind of sampling is represented if dentists from random areas of the city are asked about their favorite toothpaste?
A.
Random Sampling
B.
Convenience Sampling
C.
Systematic Sampling
D.
Cluster Sampling
Hint
10.
What best describes what is happening to the number of customers?
A.
The number of customers is doubling.
B.
The number of customers is staying the same.
C.
The number of customers is decreasing.
D.
The number of customers is increasing.
Hint
11.
Complete. 37 c = ______?___ qt ___?___ c
A.
18 qt 1 c
B.
16 qt 1 c
C.
9 qt 1 c
D.
8 qt 1 c
Hint
12.
Calculate: 9 gal 1 qt – 3 gal 3 qt. Write the answer in simplest form.
A.
6 gal 2 qt
B.
13 gal
C.
5 gal 2 qt
D.
12 gal 4 qt
Hint
13.
Complete: 320 cm ÷ 4 = ___?___ mm
A.
8 mm
B.
8000 mm
C.
80 mm
D.
800 mm
Hint
14.
What is the best estimate of the perimeter of a square table tope with
s
= 49 in.?
A.
96 in.
B.
160 in.
C.
100 in.
D.
200 in.
Hint
15.
Using the floor plan of an after school study room, what would cost to carpet the computer area if carpet costs $13.40/yd
2
?
A.
$166.76
B.
$3001.60
C.
$308.20
D.
$616.40
Hint
16.
Which answer is not a correct equivalent ratio for the ratio 5:30?
A.
1 to 6
B.
C.
10:60
D.
6:1
Hint
17.
Which answer is an equivalent ratio to the ratio 12:15?
A.
3:5
B.
C.
D.
4:5
Hint
18.
What is the circumference of a circle with diameter of 6 cm? Round the answer to the nearest tenth.
A.
18.8 cm
B.
113.1 cm
C.
75.4 cm
D.
37.7 cm
Hint
19.
What is the area of a circle with a diameter of 4.5 cm? Round the answer to the nearest tenth.
A.
15.9
B.
254.5
C.
63.6
D.
28.3
Hint
20.
Solve the proportion
.
A.
x
= 25
B.
x
= 5
C.
x
= 9
D.
x
= 75
Hint