

1. 
Graph the equation 


A. 



B. 



C. 



D. 



Hint 


2. 
Draw the graph of x + 3y = 12. 


A. 

B. 



C. 

D. 



Hint 


3. 
What are the x and yintercepts of the graph below? 





A. 
(2, 0); (0, 4) 
B. 
(2, 0); (0, 4) 


C. 
(2, 0); (0, 4) 
D. 
(2, 0); (0, 4) 


Hint 


4. 
Determine whether the relation {(7, 2), (10, 3), (5, 1), (7, 3)} is a function. Explain. 


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


B. 
Yes, because every relation is a function. 


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


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


Hint 


5. 
Which relation is not a function? 


A. 
{10, 0), (2, 4), (2, 4)} 


B. 
{(1, 1), (2,2), (3, 3)} 


C. 
{(2, 1), (2, 3), (6, 5)} 


D. 
{(2, 4), (3, 5), (2, 7)} 


Hint 


6. 
Find the x intercept for the graph of 3x + 5y = 15. 


A. 
5 
B. 
5 


C. 
3 
D. 
3 


Hint 


7. 
Find the slope of the line. 





A. 

B. 



C. 

D. 



Hint 


8. 
Find the slope of the line that passes through (10, 5) and (2, 5). 


A. 
8 
B. 
undefined 


C. 
0 
D. 
12 


Hint 


9. 
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. 
$3.20 
B. 
$3.30 


C. 
$3.28 
D. 
$3.25 


Hint 


10. 
Suppose y varies directly with x and y = 24 when x = 8. Write an equation relating x and y. 


A. 

B. 
y = 3x 


C. 

D. 
y = 3x 


Hint 


11. 
State the slope of the graph of 6x + 3y = 10. 


A. 
2 
B. 
2 


C. 

D. 



Hint 


12. 
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 


13. 
Write an equation in slopeintercept form for the line graphed. 





A. 

B. 



C. 

D. 



Hint 


14. 
Write an equation for the line that passes through (20, 1.5) and (8, 2). 


A. 

B. 
y = 8x – 14 


C. 

D. 
y = 8x + 18 


Hint 


15. 
A scatter plot contains the points (2, 8) and (19, 59). Write an equation in slopeintercept form for the bestfit line of the scatter plot. 


A. 
y = 3x + 15 
B. 



C. 

D. 
y = 3x + 2 


Hint 


16. 
A bestfit line has an equation of y = 2.9x + 1.7. Find y when x is 33. 


A. 
y = 97.4 
B. 
y = 94.1 


C. 
y = 90.7 
D. 
y = 94 


Hint 


17. 
Solve the system of equations given by 3y = 6x + 3 and y = 2x + 1. 


A. 
(2, 3) 
B. 
infinitely many solutions 


C. 
(0, 1) 
D. 
no solution 


Hint 


18. 
Solve the system of equations given by and x = 6. 


A. 

B. 
(6, 5) 


C. 
(6, 13) 
D. 
(6, 16) 


Hint 


19. 
Match the graph shown with the correct inequality. 





A. 

B. 



C. 

D. 
y > 3x + 6 


Hint 


20. 
Juan has at most 20 hours per week to spend working at his landscaping job and his restaurant job. Write an inequality to represent how much time Juan can spend at each job. 


A. 

B. 



C. 
x + y > 20 
D. 
x + y < 20 


Hint 


