| |
| |
1. |
Which statement is true about the graph shown below? |
| |
|
 |
| |
|
A. |
The relation is not a function. |
B. |
The range is {-3, -2, 0, 1}. |
| |
|
C. |
The relation is a function. |
D. |
The domain is {-3, 2, 4}. |
| |
|
Hint |
|
| |
2. |
Determine which equation represents a function. |
| |
|
A. |
x = y2 - 1 |
B. |
 |
| |
|
C. |
x = 4 |
D. |
y = -2x + 1 |
| |
|
Hint |
|
| |
3. |
If y varies directly as x and y = 35 when x = 5, find y when x = 11. |
| |
|
A. |
7 |
B. |
 |
| |
|
C. |
41 |
D. |
77 |
| |
|
Hint |
|
| |
4. |
If y varies inversely as x and y = 6 when x = 24, find x when y = 12. |
| |
|
A. |
144 |
B. |
12 |
| |
|
C. |
48 |
D. |
24 |
| |
|
Hint |
|
| |
5. |
Graph y + 2 = 7. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
6. |
Write an equation for the graph. |
| |
|
 |
| |
|
A. |
y = x + 2 |
B. |
y = x + 1 |
| |
|
C. |
y = 2x + 2 |
D. |
y = 2x |
| |
|
Hint |
|
| |
7. |
Write an equation for {(5, 2), (0, 12), (1, 10), (-2, 16)} |
| |
|
A. |
y = x + 12 |
B. |
y = 2x - 12 |
| |
|
C. |
y = -2x + 12 |
D. |
y = x + 9 |
| |
|
Hint |
|
| |
8. |
What is the slope of  in parallelogram ABCD? |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
9. |
Which is the graph of the equation y = 2x2 - 1? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
10. |
What is the equation of the graph shown? |
| |
|
 |
| |
|
A. |
f(x) = -2x2 + 2x - 1 |
| |
|
B. |
f(x) = -2x2 + 2x + 1 |
| |
|
C. |
f(x) = 2x2 - 2x + 1 |
| |
|
D. |
f(x) = 2x2 + 2x + 1 |
| |
|
Hint |
|
| |
11. |
The distance between the points with coordinates (-8, 4) and (1, a) is 15 units. Find the value of a. |
| |
|
A. |
8 or 16 |
B. |
-8 or 16 |
| |
|
C. |
8 |
D. |
-8 |
| |
|
Hint |
|
| |
12. |
The distance between the points with coordinates (3, 7) and (-2, a) is  units. Find the value of a. |
| |
|
A. |
-1 or 1 |
B. |
-1 or -13 |
| |
|
C. |
1 or 13 |
D. |
-1 or 13 |
| |
|
Hint |
|
| |
13. |
Write 7x = 4y – 6 in standard form. |
| |
|
A. |
x =  y -  |
B. |
-7x + 4y = 6 |
| |
|
C. |
7x – 4y = -6 |
D. |
y =  x +  |
| |
|
Hint |
|
| |
14. |
Suppose y varies directly as x, and y = -65 when x = -26. Write a direct variation equation that relates x and y. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
15. |
From the set {(-4, 4), (0, 3), (5, 1), (7, 0)}, which ordered pairs are a part of the solution set for 3x - 4y < -4? |
| |
|
A. |
{(5, 1), (7, 0)} |
B. |
{(-4, 4), (0, 3)} |
| |
|
C. |
{(-4, 4), (5, 1)} |
D. |
{(0, 3), (7, 0)} |
| |
|
Hint |
|
| |
16. |
From the set {(-2, -5), (0, 10), (5, 8), (8, -3)}, which ordered pairs are a part of the solution set for 5x + 5y > 45? |
| |
|
A. |
{(0, 10), (5, 8)} |
B. |
{(-2, -5), (5, 8)} |
| |
|
C. |
{(0, 10), (8, -3)} |
D. |
{(-2, -5), (8, -3)} |
| |
|
Hint |
|
| |
17. |
Which of the following is not an example of inverse variation? |
| |
|
A. |
the number of samples a store can give away if they give 1 free sample to each of 300 people, or decide to give 2 samples to 300 people |
| |
|
B. |
the number of running plays a football team can run if they elect to use 2 running backs for 8 plays each, or 1 running back for 16 plays |
| |
|
C. |
the distance covered if several different people drive 200 miles to the game at variable speeds |
| |
|
D. |
the number of computers a company gives if it has enough computers to give 24 people 1 computer, or 12 people two computers |
| |
|
Hint |
|
| |
18. |
Which of the following pairs of coordinates are on a line with an undefined slope? |
| |
|
A. |
(-2, -2), (4, 4) |
B. |
(2, 1), (5, -2) |
| |
|
C. |
(-4, -3), (3, -3) |
D. |
(3, -2), (3, 5) |
| |
|
Hint |
|
|
|