| |
| |
1. |
If a true statement results when the numbers in an ordered pair are substituted into an equation in two variables, then the ordered pair is a(n)______. |
| |
|
A. |
identity |
B. |
inverse relation |
| |
|
C. |
solution of the equation |
D. |
range set |
| |
|
Hint |
|
| |
2. |
Which ordered pair is a solution of y = 3x + 2? |
| |
|
A. |
(4, 10) |
B. |
(1, 1) |
| |
|
C. |
(0, 2) |
D. |
(2, 0) |
| |
|
Hint |
|
| |
3. |
Solve the equation 10x - 5y = 15 if the domain is {-2, -1, 0, 1, 2}. |
| |
|
A. |
{(2, -1), (-1, 1), (0, 3), (1, 5), (2, 7)} |
| |
|
B. |
{(-2, -7), (-1, -5), (0, -3), (1, -1), (2, 1)} |
| |
|
C. |
{(-2, 2), (-1, 1), (0, 0), (1, 2), (2, 1)} |
| |
|
D. |
{(-2, -2), (-1, -1), (0, 0), (1, 1), (2, 2)} |
| |
|
Hint |
|
| |
4. |
If the range of the equation y = -x + 4 is {-4, -2, 4, 7}, what is the domain? |
| |
|
A. |
{7, 5, -1, -4} |
B. |
{8, 6, 0, -3} |
| |
|
C. |
{-8, -6, 0, 3} |
D. |
{9, 7, 1, -2} |
| |
|
Hint |
|
| |
5. |
Select the correct graph for the relation y + 5x = 2 if the domain is
{0, 1, 2, 3, 4}. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
|
|