| |
| |
1. |
Which ordered pair is a solution of y = 3x + 2? |
| |
|
A. |
(4, 10) |
B. |
(2, 0) |
| |
|
C. |
(0, 2) |
D. |
(1, 1) |
| |
|
Hint |
|
| |
2. |
Select the solution set for y = -5x if the domain is {-1, 0, 1}. |
| |
|
A. |
{(-1, -5), (0, 0), (1, 5)} |
B. |
{(5, -1), (0, 0), (5, 1)} |
| |
|
C. |
{(-5, -1), (0, 0), (5, 1)} |
D. |
{(-1, 5), (0, 0), (1, -5)} |
| |
|
Hint |
|
| |
3. |
Which equation is a linear equation? |
| |
|
A. |
-2x = 5y + 1 |
B. |
y2 = 9 |
| |
|
C. |
xy = 7 |
D. |
3x + 3xy + y = 10 |
| |
|
Hint |
|
| |
4. |
Which graph does not represent a function? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
5. |
Which statement is not true about an inverse variation? |
| |
|
A. |
If y varies inversely as x, then y is inversely proportional to x. |
B. |
The constant of variation is . |
| |
|
C. |
In the equation xy = k, k is a constant. |
D. |
The product of the variables is constant. |
| |
|
Hint |
|
| |
6. |
Suppose y varies inversely as x and y = 4 when x = -2. Find y when x = 1. |
| |
|
A. |
-8 |
B. |
-2 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
7. |
Choose the tables that expresses {(-3, 4), (-1, -5), (0, 2), (2, 3), (3, -4)}. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
8. |
Refer to the graph. Determine the range. |
| |
|
 |
| |
|
A. |
{3.1, 3.2, 3.4, 3.6, 3.6, 3.7, 4.3, 4.5, 4.7, 4.8} |
| |
|
B. |
{1984, 1985, 1986, 1987, 1988, 1990, 1993, 1995, 1997, 1999} |
| |
|
C. |
{2.1, 2.6, 2.7, 3.0, 3.0, 3.7, 4.3, 4.5, 5.4, 5.0} |
| |
|
D. |
{1982, 1983,1984,1985, 1986, 1987, 1988,1989, 1990, 1991} |
| |
|
Hint |
|
| |
9. |
Which equation is not a linear equation? |
| |
|
A. |
x= 0 |
B. |
y = -4 |
| |
|
C. |
3x = 4y + x |
D. |
xy + 2 = y |
| |
|
Hint |
|
| |
10. |
Dion takes 5 minutes to prepare himself to read a book and then takes 1.4 minutes to read each page. How many minutes will it take Dion to read a 155 page book if he reads straight through? |
| |
|
A. |
207 minutes |
B. |
222 minutes |
| |
|
C. |
217 minutes |
D. |
212 minutes |
| |
|
Hint |
|
| |
11. |
Which is the graph of y = -3x |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
12. |
Suppose y varies directly as x and y = -10 when x = 5. Find x when y = 40. |
| |
|
A. |
-20 |
B. |
10 |
| |
|
C. |
-10 |
D. |
20 |
| |
|
Hint |
|
|
|