Chapter 3 Group Quiz: 3.4, 3.5, 3.7-3.9, and 11.1
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1. Is
rational or irrational?
Short Answer
2. Use a calculator to find
to the nearest hundredth.
3. Find the unit rate for number of parts manufactured per hour if 1630 parts are made in 6 hours. Round to the
nearest integer.
4. $7.80/hour = ____ cents/minute?
Solve the proportion.
5.
6.
7.
8.
9. A van travels 280 miles on 14 gallons of gas. Find how many gallons the van needs to travel 380 miles.
10. Use the scale and map measurements to find the actual distance from New Wilmington to Sharon through
Mercer. What is the actual distance if you travel from New Wilmington to Sharon through Volant?
1.25 in.
1 in.
Sharon
Mercer
1.75 in.
New Wilmington
0.75 in.
Volant
Scale 1 in. : 12 mi
11. You measure the width of your couch and find that it is 1.20 m wide. Find the greatest possible error of your
measurement.
12. You measure a piece of wood and find its length to be 8 m. Find the percent error of this measurement. Round
to the nearest hundredth.
13. Find the minimum and maximum possible areas for a rectangle measuring 4.15 cm by 7.34 cm. Round to the
nearest hundredth.
14. Simplify
.
15. Simplify
.
16. Between what two consecutive integers is
?
Find the length of the missing side. If necessary, round to the nearest tenth.
17.
27
24
b
18.
c
12
5
Determine whether the given lengths can be sides of a right triangle.
19. 9 cm, 15 cm, 17 cm
20. A package delivery company has determined that they can meet their schedules if they have 4 drivers for
every 30 square miles of area they cover. If they want to offer service to a county of 75 square miles, how
many drivers must they have?
The pair of figures is similar. Find x. Round to the nearest tenth if necessary.
21.
11 ft
x
3 ft
8 ft
Drawing not to scale
22.
25 cm
17 cm
x
18 cm
Drawing not to scale
23. Find the percent of change in altitude if a weather balloon moves from 100 ft to 103 ft. Describe the percent
of change as an increase or decrease. Round to the nearest tenth if necessary.
24. During the month of February, Fabulous Feet Shoe Mart sold 50 pairs of red loafers. After an ad campaign to
boost sales, they sold 60 pairs in March. Find the percent of increase in sales.
25. Find the greatest possible error for the measurement 0.9