| |
| |
1. |
In a science experiment, students hung a cup from a spring and measured the length of the spring when candies were added to it. Their data are shown in the table below. Which statement is true? |
| |
|
 |
| |
|
A. |
The relation is a function because for each x value, there is exactly one y value. |
| |
|
B. |
The relation is a function because the range values increase. |
| |
|
C. |
The relation is not a function because there are two y values for some x values. |
| |
|
D. |
The relation is not a function because only a line can be a function. |
| |
|
Hint |
|
| |
2. |
Which function is not linear? |
| |
|
A. |
f(x) = 8 |
B. |
f(x) = 2x3 |
| |
|
C. |
 |
D. |
f(x) = 14x + 7 |
| |
|
Hint |
|
| |
3. |
Find the y-intercept of the graph of 2x - 5y = 10. |
| |
|
A. |
5 |
B. |
2 |
| |
|
C. |
-2 |
D. |
0 |
| |
|
Hint |
|
| |
4. |
Find the sum -6 + 3. |
| |
|
A. |
-9 |
B. |
-3 |
| |
|
C. |
9 |
D. |
3 |
| |
|
Hint |
|
| |
5. |
Solve  |
| |
|
A. |
n = 9 |
B. |
n = 2 |
| |
|
C. |
n =  |
D. |
n =  |
| |
|
Hint |
|
| |
6. |
Find the mode of {325, 100, 115, 621, 325, 325, 100}. |
| |
|
A. |
115 |
B. |
325 |
| |
|
C. |
273 |
D. |
100 |
| |
|
Hint |
|
| |
7. |
Solve the equation x – 82 = 143 |
| |
|
A. |
225 |
B. |
-61 |
| |
|
C. |
 |
D. |
61 |
| |
|
Hint |
|
| |
8. |
Solve 6z > 39. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
{z | z > 234} |
D. |
{z | z < 234} |
| |
|
Hint |
|
| |
9. |
Find the domain of the relation shown in the graph. |
| |
|
 |
| |
|
A. |
{0, 1, 2, 3} |
B. |
{-3, -2, -1, 0, 1, 2, 3, 5} |
| |
|
C. |
{-3, -2, -1, 0, 1, 3} |
D. |
{-2, -1, 1, 2, 3, 5} |
| |
|
Hint |
|
| |
10. |
What value is a solution to the equation  |
| |
|
A. |
8 |
B. |
-12 |
| |
|
C. |
-8 |
D. |
12 |
| |
|
Hint |
|
| |
11. |
Which is a graph showing the set of real numbers from -1 to 2 inclusive? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
12. |
Which is a graph showing the set of real numbers greater than or equal to 4? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
13. |
If A= {0,1,2,3,4}, B={2,4,6,8} and C= find  |
| |
|
A. |
{0} |
B. |
 |
| |
|
C. |
{-3, -2, -1, 0, 1, 2, 3, 4} |
D. |
{-3, -2, -1, 0, 2, 4, 6, 8} |
| |
|
Hint |
|
| |
14. |
What is the value of cell A3? |
| |
|
 |
| |
|
A. |
18 |
B. |
90 |
| |
|
C. |
9 |
D. |
6 |
| |
|
Hint |
|
| |
15. |
What is the value of cell C4? |
| |
|
|
| |
|
A. |
15 |
B. |
18 |
| |
|
C. |
1 |
D. |
27 |
| |
|
Hint |
|
| |
16. |
If a = –3 and b = 3, what is  |
| |
|
A. |
–81 |
B. |
36 |
| |
|
C. |
27 |
D. |
–27 |
| |
|
Hint |
|
| |
17. |
Find the next two terms of the sequence 64, –32, 16, –8…? |
| |
|
A. |
–4, –2 |
B. |
4, 2 |
| |
|
C. |
–2, –1 |
D. |
4, –2 |
| |
|
Hint |
|
| |
18. |
What is the rule relating each term in the sequence 3, 6, 9, 12…? |
| |
|
A. |
Add 3 |
B. |
Multiply by  |
| |
|
C. |
Add  |
D. |
Multiply by 2 |
| |
|
Hint |
|
| |
19. |
What are the next 3 terms in the sequence 2, 7, 12, 17…? |
| |
|
A. |
23, 29, 35 |
B. |
22, 28, 34 |
| |
|
C. |
22, 27, 32 |
D. |
29, 32, 37 |
| |
|
Hint |
|
| |
20. |
Solve  |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
|
|