Name: 
 

Quiz 9.4-9.5



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 
 
Which function does the graph represent?
 

 1. 

mc001-1.jpg
a.
y = 2x – 1
c.
y = x + 1
b.
y = 0.5x
d.
y = x
 

Numeric Response
 

 1. 

The graph of a function is a straight line that goes through the points (4, 1), (7, 7), and (9, y). What is the value of y?

 

Short Answer
 
 
Graph the data.
 

 1. 


Input, xOutput, y
2
2.5
4
3
6
3.5
8
4
 
 
Graph the function.
 

 2. 

sa002-1.jpg
 
 
Does the graph represent a linear function?  Explain.
 

 3. 

sa003-1.jpg
 

 4. 

sa004-1.jpg
 

 5. 

sa005-1.jpg
 

 6. 

sa006-1.jpg
 
 
Complete the table. Then make a graph of the data. Write an equation for the function.
 

 7. 

Find the cost of p pounds of peppers at a price of $5 per pound.

Pounds, p
1
2
3
4
Cost, c    
 
 
Does the input-output table represent a linear function? Explain
 

 8. 

Input, x
1
2
3
4
Output, y
5
9
13
17
 

 9. 

Input, x
1
5
9
13
Output, y
13
17
21
17
 
 
Make an input-output table for the pattern. Is the function relating the figure number x to the number of dots y linear? Explain.
 

 10. 

sa010-1.jpg
 



 
Check Your Work     Start Over