

1. 
Draw the graph of x + 3y = 12. 


A. 

B. 



C. 

D. 



Hint 


2. 
Use the xintercept and yintercept to graph the equation . 


A. 

B. 



C. 

D. 



Hint 


3. 
State the solution of the system of equations 2x + y = 4 and 6x + 3y = 3. 


A. 
(4, 1) 
B. 



C. 
infinite solutions 
D. 
no solution 


Hint 


4. 
Find the solution of the system of equations y = x + 6 and . 


A. 
(8, 14) 
B. 
(4, 10) 


C. 
(16, 10) 
D. 
(8, 2) 


Hint 


5. 
Determine whether the relation is a function. Explain. 





A. 
Yes, because every relation is a function. 


B. 
No, because there are two elements in the domain that are paired with the same element in the range. 


C. 
Yes, because each element in the domain is paired with exactly one element in the range. 


D. 
No, because there is an element in the domain that is paired with two elements in the range. 


Hint 


6. 
Which graph is not a function? 


A. 

B. 



C. 

D. 



Hint 


7. 
Find four solutions for y = 3x – 1 if the x values are 0, 1, 2, 3. 


A. 
(0, 1), (1, 2), (2, 5), (3, 8) 


B. 
(0, 0), (1, 3), (2, 6), (3, 9) 


C. 
(0, 1), (1, 4), (2, 7), (3, 10) 


D. 
(1, 0), (2, 1), (5, 2), (8, 3) 


Hint 


8. 
Graph 2x – 8y = 16. 


A. 

B. 



C. 

D. 



Hint 


9. 
Find the slope of a hill that rises 60 meters for every horizontal change of 95 meters. 


A. 

B. 



C. 

D. 



Hint 


10. 
Find the slope of the line. 





A. 

B. 
3 


C. 

D. 



Hint 


11. 
Find the rate of change between two points on a graph that are located at (0.9, 2) and (9.3, 12). 


A. 
1.19 
B. 
1.19 


C. 
0.84 
D. 
0.84 


Hint 


12. 
The direct variation equation y = 0.1x gives the price y for x minutes of a long distance calling plan. Use the equation to find the cost for a phone call that is 32.5 minutes long. 


A. 
$3.25 
B. 
$3.20 


C. 
$3.28 
D. 
$3.30 


Hint 


13. 
State the y intercept of the graph of 4x + y = 11. 


A. 

B. 
11 


C. 
11 
D. 



Hint 


14. 
Which of the following is the equation of the given graph? 





A. 
y = 5x + 2 
B. 
y = 5x – 2 


C. 
y = 5x – 2 
D. 
y = 5x + 2 


Hint 


15. 
Write an equation in slopeintercept form of a line with slope and y intercept 0. 


A. 

B. 



C. 

D. 



Hint 


16. 
Use the table of values to write an equation in slopeintercept form. 





A. 
y = 3x – 31 
B. 



C. 
y = 3x + 11 
D. 



Hint 


17. 
Write an equation in slopeintercept form for the bestfit line of a scatter plot with points (12, 9) and (17, 2). 


A. 

B. 
y = 1.4x – 7.8 


C. 

D. 
y = 1.4x + 25.8 


Hint 


18. 
A bestfit line has the equation y = 13.7694x + 3.99, which models the cost y of ordering x CDs from a music company. Predict the cost of ordering 8 CDs. 


A. 
about $100.30 
B. 
about $114.06 


C. 
about $110.16 
D. 
about $114.15 


Hint 


19. 
Match the graph shown with the correct inequality. 





A. 

B. 



C. 

D. 



Hint 


20. 
Match the graph shown with the correct inequality. 





A. 
y < 4x – 6 
B. 



C. 

D. 



Hint 


