| |
| |
1. |
Find the x- and y-intercepts for 3x + 4y - 12 = 0. |
| |
|
A. |
(0, 4) and (3, 0) |
B. |
(0, 3) and (4, 0) |
| |
|
C. |
(-4, 0) and (0, -3) |
D. |
(-3, 0) and (0, -4) |
| |
|
Hint |
|
| |
2. |
The population of Abnerville was 12,500 people in 1950. In 2000, the population was 250,000. Find the average rate of increase in the population over the 50 year period. |
| |
|
A. |
47.5 or about 48 people per year |
B. |
475 people per year |
| |
|
C. |
47,500 people per year |
D. |
4750 people per year |
| |
|
Hint |
|
| |
3. |
Which equation has an undefined slope? |
| |
|
A. |
x = 4 |
B. |
y = 4x |
| |
|
C. |
y = 4 |
D. |
y = 4x + 2 |
| |
|
Hint |
|
| |
4. |
Graph the equation 3x + 2y = 0 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
5. |
Which function does not have a zero? |
| |
|
A. |
f(x) = 3x + 5 |
B. |
f(x) = –5x +3 |
| |
|
C. |
f(x) = -5 |
D. |
f(x) = x - 5 |
| |
|
Hint |
|
|
|