| |
| |
1. |
If y varies inversely as x and y = 6 when x = 24, find x when y = 12. |
| |
|
A. |
144 |
B. |
12 |
| |
|
C. |
24 |
D. |
48 |
| |
|
Hint |
|
| |
2. |
Which graph represents a function? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
3. |
If g(x) = x2 + 3x - 2, find g(-2). |
| |
|
A. |
-4 |
B. |
4 |
| |
|
C. |
8 |
D. |
-12 |
| |
|
Hint |
|
| |
4. |
Write an equation to represent the function. |
| |
|
 |
| |
|
A. |
g(x) = 3x |
B. |
 |
| |
|
C. |
g(x) = x + 3 |
D. |
g(x) = -2x |
| |
|
Hint |
|
| |
5. |
What is the slope of in parallelogram ABCD? |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
6. |
Write the standard form of the equation of the line that passes through (-2, -3) and (2, -5). |
| |
|
A. |
x - 2y = -8 |
B. |
2x - y = -1 |
| |
|
C. |
2x + y = -7 |
D. |
x + 2y = -8 |
| |
|
Hint |
|
| |
7. |
Which is the graph of the inequality y - x < 6? |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
8. |
Match the given graph with its corresponding equation. |
| |
|
 |
| |
|
A. |
x + y = -1 |
B. |
x + 4y = -4 |
| |
|
C. |
4x + y = -1 |
D. |
x + 2y = -2 |
| |
|
Hint |
|
| |
9. |
Find f(x – 7) if f(x) = -4x – 10. |
| |
|
A. |
-4x + 18 |
B. |
4x – 38 |
| |
|
C. |
4x + 3 |
D. |
-4x – 17 |
| |
|
Hint |
|
| |
10. |
Find the slope of the line that passes through (5, -5) and (9, -5). |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
0 |
D. |
undefined |
| |
|
Hint |
|
| |
11. |
Use the direct variation equation y = 22x to find x when y = 88. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
x = -4 |
D. |
x = 4 |
| |
|
Hint |
|
| |
12. |
Use the direct variation equation to find x when y = -34. |
| |
|
A. |
x = - |
B. |
x = 153 |
| |
|
C. |
x = -153 |
D. |
x =  |
| |
|
Hint |
|
| |
13. |
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. |
{(0, 10), (8, -3)} |
| |
|
C. |
{(-2, -5), (5, 8)} |
D. |
{(-2, -5), (8, -3)} |
| |
|
Hint |
|
| |
14. |
What is the perimeter of a triangle whose vertices are the points (–1, 4), (–1, –2), (5, –2)? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
15. |
Greta and her grandmother planned to attend a downtown play. Greta lives 10 miles south and 4 miles west of downtown, while her grandmother lives 2 miles south and 2 miles east of downtown. If Greta picks up her grandmother on the way (rather than meet her at the play), how many miles does that add to her trip? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
2 |
D. |
 |
| |
|
Hint |
|
| |
16. |
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 distance covered if several different people drive 200 miles to the game at variable speeds |
| |
|
C. |
the number of computers a company gives if it has enough computers to give 24 people 1 computer, or 12 people two computers |
| |
|
D. |
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 |
| |
|
Hint |
|
| |
17. |
Given y = -2x2 + 4x - 3, find the value of y if x = 1. |
| |
|
A. |
3 |
B. |
-2 |
| |
|
C. |
-9 |
D. |
-1 |
| |
|
Hint |
|
| |
18. |
Which is a function rule for the table shown? |
| |
|
 |
| |
|
A. |
y = x2 - 3 |
B. |
y = -x2 - 4 |
| |
|
C. |
y = -2x + 4 |
D. |
y -x2 + 3 |
| |
|
Hint |
|
|
|