| |
| |
1. |
Find the median for the set of data shown below. |
| |
|
 |
| |
|
A. |
9.75 |
B. |
8 |
| |
|
C. |
6.8 |
D. |
19 |
| |
|
Hint |
|
| |
2. |
State an absolute value inequality for ''all numbers less than or equal to 8, and greater than or equal to -8.'' |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
3. |
Choose the graph of f(x) = |x| - 2. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
4. |
Solve x2 - 4x - 5 = 0 by factoring. |
| |
|
A. |
-1, 5 |
B. |
-1, -5 |
| |
|
C. |
1, 5 |
D. |
1, -5 |
| |
|
Hint |
|
| |
5. |
Which could be the degree of the function represented by the graph? |
| |
|
 |
| |
|
A. |
1 |
B. |
4 |
| |
|
C. |
5 |
D. |
3 |
| |
|
Hint |
|
| |
6. |
Simplify  |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
y30 |
D. |
y3 |
| |
|
Hint |
|
| |
7. |
Solve log3 (x + 4) - log3 (x - 2) = 2 log3 2. |
| |
|
A. |
4 |
B. |
8 |
| |
|
C. |
9 |
D. |
6 |
| |
|
Hint |
|
| |
8. |
What is the fifth term of a geometric sequence if a1 = 7 and r = 0.2? |
| |
|
A. |
1.4 |
B. |
0.0112 |
| |
|
C. |
5.6 |
D. |
0.28 |
| |
|
Hint |
|
| |
9. |
Kim needs to choose a 4-digit personal identification number (PIN) to use with her phone card. She may use a digit only once. How many different PINs can she choose from? |
| |
|
A. |
5040 |
B. |
900 |
| |
|
C. |
5610 |
D. |
8020 |
| |
|
Hint |
|
| |
10. |
Graph y = . |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
11. |
Solve | x + 5 | - 3 = -1. |
| |
|
A. |
{-5, 2} |
B. |
 |
| |
|
C. |
{3, 7} |
D. |
{-7, -3} |
| |
|
Hint |
|
| |
12. |
Which of the following is prime? |
| |
|
A. |
3x2 – 6y |
B. |
5xy>2 + 10y |
| |
|
C. |
7x2 – y2 |
D. |
3xy + 13x2 |
| |
|
Hint |
|
| |
13. |
If the vertex of a parabola is (3, -4), what is its axis of symmetry? |
| |
|
A. |
y = 3 |
B. |
x = -4 |
| |
|
C. |
y = -4 |
D. |
x = 3 |
| |
|
Hint |
|
| |
14. |
What must be true in order for a term x – a to be a factor of a polynomial f(x)? |
| |
|
A. |
f(a) must be negative |
B. |
f(a) = 0 |
| |
|
C. |
f(a) must be positive |
D. |
a must be positive |
| |
|
Hint |
|
| |
15. |
Which graph represents the ellipse ? |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
16. |
Simplify . |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
17. |
Which of the following series is not infinite? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
18. |
Which measure of central tendency should be used to represent the set of data {45, 78, 79, 80, 82, 82, 83, 99}? |
| |
|
A. |
median |
B. |
standard deviation |
| |
|
C. |
mode |
D. |
mean |
| |
|
Hint |
|
| |
19. |
What is the midline of the function y = 2 sin – 4? |
| |
|
A. |
y = –4 |
B. |
y = 4 |
| |
|
C. |
y = –2 |
D. |
y = 2 |
| |
|
Hint |
|
| |
20. |
Which of the following contains a false solution to the equation sin cot – cos 2 = 0? |
| |
|
A. |
90° |
B. |
0° and 180° |
| |
|
C. |
90° and 270° |
D. |
0° and 270° |
| |
|
Hint |
|
|
|