| |
| |
1. |
What is the value of 9 - [12 + (15 ÷ 3)]? |
| |
|
A. |
2 |
B. |
-8 |
| |
|
C. |
0 |
D. |
26 |
| |
|
Hint |
|
| |
2. |
Solve the system of equations. 
|
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
3. |
What is the value of the determinant? |
| |
|
 |
| |
|
A. |
12 |
B. |
-3 |
| |
|
C. |
-12 |
D. |
-8 |
| |
|
Hint |
|
| |
4. |
What is the solution of the system of inequalities? 
|
| |
|
 |
| |
|
A. |
region 3 |
B. |
region 2 |
| |
|
C. |
region 1 |
D. |
region 4 |
| |
|
Hint |
|
| |
5. |
Josh has 40 minutes to complete a government exam. There are 15 multiple-choice questions worth 3 points each. There are also 5 short-answer questions worth 11 points each. It takes about 2 minutes for Josh to answer the multiple-choice questions m and about 8 minutes to complete the short-answer questions s. The system of inequalities that represents this problem is graphed below. Which ordered pair is not a vertex of the feasible region? |
| |
|
 |
| |
|
A. |
(0, 0) |
B. |
(15, 0) |
| |
|
C. |
(0, 5) |
D. |
(20, 0) |
| |
|
Hint |
|
| |
6. |
Solve x2 + 7x + 8 = 0. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
7. |
The KlipKlamp company manufactures paper clips with masses that are normally distributed with a mean of 2.5 grams and a standard deviation of 0.125 gram. What percent of the clips are more than 2.75 grams? |
| |
|
A. |
2.5% |
B. |
0.5% |
| |
|
C. |
5% |
D. |
16% |
| |
|
Hint |
|
| |
8. |
Which could be the degree of the function represented by the graph? |
| |
|
 |
| |
|
A. |
3 |
B. |
5 |
| |
|
C. |
4 |
D. |
1 |
| |
|
Hint |
|
| |
9. |
Solve the equation x – 82 = 143 |
| |
|
A. |
225 |
B. |
-61 |
| |
|
C. |
61 |
D. |
 |
| |
|
Hint |
|
| |
10. |
When finding the equation for a line of fit for a scatter plot, you should use __________. |
| |
|
A. |
the first and last points on the plot, with respect to the horizontal |
B. |
all of the points on the plot |
| |
|
C. |
two points that you think represent the data well |
D. |
the point most characteristic of the scatter plot |
| |
|
Hint |
|
| |
11. |
What translation matrix should be used to translate a figure with five vertices up 3 units and right 2 units? |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
12. |
In the inequality  what must q be greater than or equal to? |
| |
|
A. |
21 |
B. |
0 |
| |
|
C. |
5 |
D. |
9 |
| |
|
Hint |
|
| |
13. |
If the vertex of a parabola is (3, -4), what is its axis of symmetry? |
| |
|
A. |
x = -4 |
B. |
y = -4 |
| |
|
C. |
y = 3 |
D. |
x = 3 |
| |
|
Hint |
|
| |
14. |
What is the equation of a parabola that is translated 3 units left and 2 units up from the parabola  ? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
15. |
Write an equation for the ellipse whose endpoints of its major axis are at (-3, 1) and (5, 1), and that of its minor axis are at (1, -1) and (1, 3). |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
16. |
Write the standard form equation of  and identify the conic section. |
| |
|
A. |
 hyperbola |
| |
|
B. |
parabola |
| |
|
C. |
 circle |
| |
|
D. |
 , ellipse |
| |
|
Hint |
|
| |
17. |
Suppose x varies directly with y. If y increases by a factor of 2, what will happen to x? |
| |
|
A. |
It will decrease by a factor of 4. |
| |
|
B. |
It will increase by a factor of 2. |
| |
|
C. |
It will increase by a factor of 4. |
| |
|
D. |
It will decrease by a factor of 2. |
| |
|
Hint |
|
| |
18. |
Which of the following types of functions may have a hole? |
| |
|
A. |
rational |
B. |
absolute value |
| |
|
C. |
quadratic |
D. |
square root |
| |
|
Hint |
|
| |
19. |
Solve log 5 (5x – 2) > log 5 (2x + 10). |
| |
|
A. |
x > 4 |
B. |
x > 625 |
| |
|
C. |
0 < x < 4 |
D. |
x < 4 |
| |
|
Hint |
|
| |
20. |
Chavez needs to buy gasoline every week for a year (52 weeks). The first week he spends $10.00. If the amount he spends increases by $0.10 every week, how much will he spend on gasoline this year? |
| |
|
A. |
$652.60 |
B. |
$572 |
| |
|
C. |
$667.80 |
D. |
$657.80 |
| |
|
Hint |
|
|
|