

1. 
Find a solution for the equation y = 4x  3. 


A. 
(4, 3) 
B. 
(5, 2) 


C. 
(4, 19) 
D. 
(0, 0) 


Hint 


2. 
Which equation is graphed below? 





A. 

B. 



C. 

D. 



Hint 


3. 
Which expression is used to find the slope of a line? 


A. 
m = 


B. 
m = 


C. 
m = 


D. 
m = 


Hint 


4. 
What is the slope of the line through the points A(3, 4) and B(2, 1)? 


A. 
3 
B. 



C. 
1 
D. 
1 


Hint 


5. 
An equation written in the form y = mx + b is in 


A. 
xintercept form 
B. 
yintercept form 


C. 
pointslope form 
D. 
slopeintercept form 


Hint 


6. 
Use the xintercept and yintercept to graph the equation . 


A. 

B. 



C. 

D. 



Hint 


7. 
The system of equations graphed below has 





A. 
none of these. 
B. 
no solution. 


C. 
one solution. 
D. 
infinitely many solutions. 


Hint 


8. 
One solution for the inequality is _______. 


A. 
(4, 6). 
B. 
(2, 8). 


C. 
(0, 0) 
D. 
(1, 2) 


Hint 


9. 
Which relation is not a function? 


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


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


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


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


Hint 


10. 
Which graph is not a function? 


A. 

B. 



C. 

D. 



Hint 


11. 
Graph 2x – 8y = 16. 


A. 

B. 



C. 

D. 



Hint 


12. 
Suppose y varies directly with x and y = 14 when x = 3.5. Write an equation relating x and y. 


A. 

B. 



C. 
y = 4x 
D. 
y = 4x 


Hint 


13. 
Suppose y varies directly with x and when Write an equation relating x and y. 


A. 

B. 



C. 

D. 



Hint 


14. 
State the slope and y intercept of the graph of 2x + 5y = 10. 


A. 

B. 



C. 

D. 



Hint 


15. 
Write an equation in slopeintercept form of a line with slope 5 and y intercept –7. 


A. 
y = 5x – 7 
B. 
y = 5x + 7 


C. 
x = 5y – 7 
D. 
x = 5y + 7 


Hint 


16. 
Write an equation in slopeintercept form of a line with slope 0 and y intercept 6. 


A. 
x = 6y 
B. 
x = 6 


C. 
y = 6x 
D. 
y = 6 


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. 



C. 
y = 1.4x + 25.8 
D. 
y = 1.4x – 7.8 


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 $114.15 


C. 
about $110.16 
D. 
about $114.06 


Hint 


19. 
Solve the system of equations given by y = 5x + 1 and y = 5x – 4. 


A. 

B. 
no solution 


C. 
infinitely many solutions 
D. 



Hint 


20. 
Match the graph shown with the correct inequality. 





A. 

B. 



C. 
y > 3x + 6 
D. 



Hint 


