Name: 
 

Chapter 14 - Review


Multiple Choice
Identify the choice that best completes the statement or answers the question.
 
 
Find the unit rate.
 

 1. 
232 miles in 4 hours
a.
62 miles per hour
c.
56 miles per hour
b.
58 miles per hour
d.
61 miles per hour
 

 2. 
75 minutes for 3 assignments
a.
28 minutes per assignment
c.
20 minutes per assignment
b.
25 minutes per assignment
d.
23 minutes per assignment
 

 3. 
$3.60 for 20 ounces
a.
$0.16 per ounce
c.
$0.22 per ounce
b.
$0.18 per ounce
d.
$0.13 per ounce
 
 
Use a graph to tell whether x and y are in a proportional relationship.
 

 4. 

x
1
2
3
4
y
2
4
6
8
a.
yes mc004-1.jpg
c.
yes mc004-3.jpg
b.
no mc004-2.jpg
d.
no mc004-4.jpg
 

 5. 

x
1
2
3
4
y
2
3
4
5
a.
no mc005-1.jpg
c.
yes mc005-3.jpg
b.
yes mc005-2.jpg
d.
no mc005-4.jpg
 
 
Use the table to write a proportion.
 

 6. 
 
June
July
Hits
14
22
At Bats
35
x
a.
mc006-1.jpg
c.
mc006-3.jpg
b.
mc006-2.jpg
d.
mc006-4.jpg
 

 7. 
 
Triangle 1
Triangle 2
Base (inches)
b
6
Height (inches)
7
9
a.
mc007-1.jpg
c.
mc007-3.jpg
b.
mc007-2.jpg
d.
mc007-4.jpg
 

 8. 
 
Morning
Evening
Miles
5
15
Minutes
t
105
a.
mc008-1.jpg
c.
mc008-3.jpg
b.
mc008-2.jpg
d.
mc008-4.jpg
 
 
Solve the proportion.
 

 9. 
mc009-1.jpg
a.
w = mc009-2.jpg
c.
w = mc009-4.jpg
b.
w = mc009-3.jpg
d.
w = mc009-5.jpg
 

 10. 
mc010-1.jpg
a.
b = 30
c.
b = 32
b.
b = 28
d.
b = 224
 

 11. 
mc011-1.jpg
a.
c = 11
c.
c = 10
b.
c = 15
d.
c = 7
 

 12. 
mc012-1.jpg
a.
x = 11
c.
x = 5.5
b.
x = 27.5
d.
x = 22
 

 13. 
mc013-1.jpg
a.
n = mc013-2.jpg
c.
n = mc013-4.jpg
b.
n = mc013-3.jpg
d.
n = mc013-5.jpg
 
 
Graph the line that passes through the two points. Then find the slope of the line.
 

 14. 
(4, 4), (–1, –1)
a.
1
mc014-1.jpg
c.
mc014-3.jpg
mc014-4.jpg
b.
5
mc014-2.jpg
d.
mc014-5.jpg
mc014-6.jpg
 

 15. 
(5, 3), (0, 0)
a.
mc015-1.jpg
mc015-2.jpg
c.
5
mc015-5.jpg
b.
mc015-3.jpg
mc015-4.jpg
d.
3
mc015-6.jpg
 
 
The graph of a proportional relationship passes through the given point and (1, y). Find y.
 

 16. 
Given point: (18, 288)
a.
mc016-1.jpg
c.
271
b.
16
d.
14
 

 17. 
Given point: (7, 70)
a.
9
c.
64
b.
mc017-1.jpg
d.
10
 
 
The variables x and y vary directly.  Use the values to find the constant of proportionality. Then write an equation that relates x and y.
 

 18. 
y = 99;  x = 9
a.
k = 9, mc018-1.jpg
c.
k = 99, mc018-4.jpg
b.
k = mc018-2.jpg, y = mc018-3.jpgx
d.
k = 11, mc018-5.jpg
 

 19. 
y = 20;  x = 24
a.
k = 20 , mc019-1.jpg
c.
k = mc019-3.jpg , y = mc019-4.jpgx
b.
k = 24 , mc019-2.jpg
d.
k = mc019-5.jpg , y = mc019-6.jpgx
 

Other
 

 1. 
Extended Response  Your grandmother paid for music lessons for you and your cousin. The graph shows how much the lessons cost for each of you.
ot001-1.jpg
a.   Compare the steepness of the lines. What does this mean in the context of the problem?
b.   Find the slope of each line.
c.   How much more money do your cousin’s lessons cost each week than yours?
d.   Your grandmother paid $500 for your lessons. How many weeks of lessons do you get?
 



 
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