| |
| |
1. |
Graph the equation  |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
2. |
Draw the graph of x + 3y = 12. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
3. |
An equation written in the form y = mx + b is in |
| |
|
A. |
x-intercept form |
B. |
y-intercept form |
| |
|
C. |
slope-intercept form |
D. |
both intercept form |
| |
|
Hint |
|
| |
4. |
Use the x-intercept and y-intercept to graph the equation . |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
5. |
Select the relation that is a function. |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
6. |
Which relation is not a function? |
| |
|
A. |
{(-2, 1), (2, 3), (6, 5)} |
| |
|
B. |
{(2, 4), (3, 5), (2, 7)} |
| |
|
C. |
{(1, 1), (2,2), (3, 3)} |
| |
|
D. |
{10, 0), (2, 4), (-2, 4)} |
| |
|
Hint |
|
| |
7. |
Graph 2x – 8y = 16. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
8. |
Find the slope of the line. |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
9. |
Find the slope of the line that passes through (-10, 5) and (2, 5). |
| |
|
A. |
-8 |
B. |
undefined |
| |
|
C. |
0 |
D. |
-12 |
| |
|
Hint |
|
| |
10. |
Find the rate of change between two points on a graph that are located at (4, 3.2) and (6, 5.9). |
| |
|
A. |
1.35 |
B. |
0.74 |
| |
|
C. |
-0.74 |
D. |
-1.35 |
| |
|
Hint |
|
| |
11. |
The direct variation equation y = 2.75x relates miles x and the cost y for a ride from a taxi company. Use the equation to find the cost of a taxi ride that is 13 miles long. |
| |
|
A. |
$37.05 |
B. |
$35.75 |
| |
|
C. |
$33.00 |
D. |
$32.50 |
| |
|
Hint |
|
| |
12. |
State the slope and y- intercept of the graph of 2x + 5y = 10. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
13. |
Write an equation in slope-intercept form for the line graphed. |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
14. |
Write an equation for the line that passes through (-3, 23) and (3, -7). |
| |
|
A. |
y = -5x + 8 |
B. |
 |
| |
|
C. |
y = 5x – 23 |
D. |
 |
| |
|
Hint |
|
| |
15. |
Write an equation in slope-intercept form for the best-fit line of a scatter plot which contains the points (4, 60) and (9, 135). |
| |
|
A. |
y = 15x |
B. |
 |
| |
|
C. |
 |
D. |
y = -15x |
| |
|
Hint |
|
| |
16. |
Write an equation in slope-intercept form for the best-fit line of a scatter plot with points (21, 57) and (30, 12). |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
y = 5x – 48 |
D. |
y = -5x + 162 |
| |
|
Hint |
|
| |
17. |
Solve the system of equations given byy = 2x – 7 and y = 5. |
| |
|
A. |
(5, 3) |
B. |
(6, 5) |
| |
|
C. |
(-1, 5) |
D. |
(3, 5) |
| |
|
Hint |
|
| |
18. |
Solve the system of equations given by and x = 6. |
| |
|
A. |
(6, -5) |
B. |
(6, 16) |
| |
|
C. |
 |
D. |
(6, 13) |
| |
|
Hint |
|
| |
19. |
Match the graph shown with the correct inequality. |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
y < -4x – 6 |
D. |
 |
| |
|
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. |
x + y > 20 |
B. |
 |
| |
|
C. |
 |
D. |
x + y < 20 |
| |
|
Hint |
|
|
|