| |
| |
1. |
Simplify 3 + 2(xy+ 3z) + 4xy. |
| |
|
A. |
5xy + 3z + 3 |
B. |
6xy + 6z + 3 |
| |
|
C. |
9xy + 15z |
D. |
6xy + 3z + 3 |
| |
|
Hint |
|
| |
2. |
A picture frame is best modeled by a |
| |
|
A. |
line. |
B. |
quadrant. |
| |
|
C. |
point. |
D. |
plane. |
| |
|
Hint |
|
| |
3. |
If f(x) = 2x - 2, find 2[f(3)]. |
| |
|
A. |
8 |
B. |
4 |
| |
|
C. |
10 |
D. |
2 |
| |
|
Hint |
|
| |
4. |
Write the standard form of the equation of the line that passes through
(-2, -3) and (2, -5). |
| |
|
A. |
2x - y = -1 |
B. |
x - 2y = -8 |
| |
|
C. |
2x + y = -7 |
D. |
x + 2y = -8 |
| |
|
Hint |
|
| |
5. |
Find (4x2 + 3x) + (7x2 – 5x – 6). |
| |
|
A. |
11x2 – 8x – 6 |
B. |
9x – 6 |
| |
|
C. |
11x4 – 2x2 – 6 |
D. |
11x2 – 2x – 6 |
| |
|
Hint |
|
| |
6. |
Suppose that, in a tessellation by regular hexagons and equilateral triangles, two hexagons meet at a vertex. How many of the triangles must meet at that vertex? |
| |
|
A. |
1 |
B. |
4 |
| |
|
C. |
2 |
D. |
3 |
| |
|
Hint |
|
| |
7. |
If a stone is dropped at random on the arrangement of tiles shown, what is the probability the stone lands on a black tile? |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
8. |
Refer to the figure below. A dilation with center C produced the circle in red. What is the scale factor of the dilation? |
| |
|
 |
| |
|
A. |
2 |
B. |
3 |
| |
|
C. |
1 |
D. |
 |
| |
|
Hint |
|
| |
9. |
Graph triangle XYZ, with vertices X(-3, -1), Y(-1, -5), and Z(-5, -5), and its image when reflected over the y-axis. |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
10. |
Which scatter plot shows that x and y have a negative correlation? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
11. |
Steve needed to find out which classes people liked the most. Therefore, after he arrived at his math club meeting, he asked some people there. What kind of sample is this? |
| |
|
A. |
unbiased, random sample |
B. |
biased, voluntary |
| |
|
C. |
biased, convenience |
D. |
unbiased, random stratified sample |
| |
|
Hint |
|
| |
12. |
Express 0.000033 in scientific notation. |
| |
|
A. |
3.3 × 10-4 |
B. |
3.3 × 105 |
| |
|
C. |
3.3 × 10-6 |
D. |
3.3 × 10-5 |
| |
|
Hint |
|
| |
13. |
Simplify  . |
| |
|
A. |
6b |
B. |
4b + 4 |
| |
|
C. |
2b + 8 |
D. |
2b + 4 |
| |
|
Hint |
|
| |
14. |
Simplify -5(6a - 9b) - 2(a - b). |
| |
|
A. |
32a - 47b |
B. |
-30a - 45b |
| |
|
C. |
-32a + 47b |
D. |
-32a - 47b |
| |
|
Hint |
|
| |
15. |
Given circle J, m MJL = 55° and mMJN = 45° what is the measure of arc NL? |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
16. |
The circle graph shows the percent of money earned by different groups at a school. The school earned a total of $42,785. How much did the football team earn if they represent the 29% sector? |
| |
|
 |
| |
|
A. |
$7890 |
B. |
$145 |
| |
|
C. |
$12,408 |
D. |
$2900 |
| |
|
Hint |
|
| |
17. |
A number increased by 12, divided by 3 and then decreased by 6 is 19. What is the original number? |
| |
|
A. |
75 |
B. |
27 |
| |
|
C. |
87 |
D. |
63 |
| |
|
Hint |
|
| |
18. |
How many vanishing points does the perspective drawing most likely have? |
| |
|
 |
| |
|
A. |
1 |
B. |
2 |
| |
|
C. |
0 |
D. |
4 |
| |
|
Hint |
|
| |
19. |
In what perspective is the figure most likely drawn? |
| |
|
 |
| |
|
A. |
vanishing perspective |
B. |
one-point perspective |
| |
|
C. |
two-point perspective |
D. |
no perspective |
| |
|
Hint |
|
| |
20. |
How many cube faces are exposed in the figure? |
| |
|
 |
| |
|
A. |
36 |
B. |
24 |
| |
|
C. |
18 |
D. |
32 |
| |
|
Hint |
|
|
|