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Chapter 9 - Assessment

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 
 
List the ordered pairs shown in the mapping diagram.
 

 1. 
mc001-1.jpg
a.
(4, 6), (8, 7), (12, 4), (16, 5)
c.
(4, 7), (8, 6), (12, 5), (16, 4)
b.
(7, 8), (6, 4), (5, 16), (4, 12)
d.
(4, 6), (8, 7), (12, 5), (16, 4)
 

 2. 
mc002-1.jpg
a.
(3, 19), (7, 19), (25, 11), (15, 25)
c.
(3, 19), (11, 25)
b.
(3, 19), (7, 19), (11, 25), (15, 25)
d.
(7, 19), (15, 25)
 
 
Write an equation that describes the function.
 

 3. 
mc003-1.jpg
a.
mc003-2.jpg mc003-3.jpgx
c.
mc003-6.jpg
b.
mc003-4.jpg mc003-5.jpgx
d.
mc003-7.jpg
 

 4. 
The output is six less than the input.
a.
y = mc004-1.jpg
c.
y = 6
b.
mc004-2.jpg
d.
y = 6x
 
 
Write an equation for the function shown by the table.
 

 5. 
Input, x
10
13
16
19
Output, y
1
4
7
10
a.
mc005-1.jpg
c.
mc005-3.jpg
b.
mc005-2.jpg
d.
mc005-4.jpg
 

 6. 
Input, x
12
16
20
24
Output, y
3
4
5
6
a.
mc006-1.jpg
c.
mc006-3.jpg
b.
mc006-2.jpg
d.
mc006-4.jpg
 
 
Which function does the graph represent?
 

 7. 
mc007-1.jpg
a.
y = x + 1
c.
y = x
b.
y = 2x – 1
d.
y = 0.5x
 

Other
 

 1. 
Extended Response  You and your uncle are riding in a junior-senior bicycle tour. You ride in the 10-mile tour for junior riders. Your uncle rides in the senior tour, which continues on for another 18 miles at the end of the junior tour.
a.   Complete the input-output table for the junior bicycle tour.
Miles from the start, x
0
2
4
6
8
10
Miles to the finish, y      
b.   Write a function rule for the junior bicycle tour in which x is the input and y is the output.
c.   Can you use your function rule to find the distance to the end of your uncle’s senior tour? If not, write a function rule that you can use.
 



 
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