| |
| |
1. |
Simplify 3(2a + b) + 6(a - 2b). |
| |
|
A. |
12a - 9b |
B. |
12a + 15b |
| |
|
C. |
12a + 9b |
D. |
12a + b |
| |
|
Hint |
|
| |
2. |
Determine which equation represents a function. |
| |
|
A. |
 |
B. |
x = y2 - 1 |
| |
|
C. |
x = 4 |
D. |
y = -2x + 1 |
| |
|
Hint |
|
| |
3. |
Write an equation to represent the function. |
| |
|
 |
| |
|
A. |
g(x) = -2x |
B. |
g(x) = 3x |
| |
|
C. |
 |
D. |
g(x) = x + 3 |
| |
|
Hint |
|
| |
4. |
Write an equation for the graph. |
| |
|
 |
| |
|
A. |
y = x + 1 |
B. |
y = x + 2 |
| |
|
C. |
y = 2x + 2 |
D. |
y = 2x |
| |
|
Hint |
|
| |
5. |
Simplify x3y0z-2. |
| |
|
A. |
 |
B. |
-x3yz2 |
| |
|
C. |
0 |
D. |
 |
| |
|
Hint |
|
| |
6. |
Find the difference (-7x4y2 – 3x2y + 2xy2 – 5) – (4x4y2 – xy2 – 5). |
| |
|
A. |
-11x4y2 - 3x2y + xy2 - 10 |
| |
|
B. |
-11x4y2 - 3x2y + 3xy2 - 10 |
| |
|
C. |
-3x4y2 - 4xy2 + 2xy2 - 10 |
| |
|
D. |
-11x4y2 - 3x2y + 3xy2 |
| |
|
Hint |
|
| |
7. |
The polygon shown is |
| |
|
 |
| |
|
A. |
a hexagon |
B. |
concave |
| |
|
C. |
regular |
D. |
an octagon |
| |
|
Hint |
|
| |
8. |
Find the volume of the pyramid to the nearest tenth. |
| |
|
 |
| |
|
A. |
186.2 cm3 |
B. |
98 cm3 |
| |
|
C. |
73.5 cm3 |
D. |
307.9 cm3 |
| |
|
Hint |
|
| |
9. |
Find the sum of the measures of the interior angles of a 28-gon. |
| |
|
A. |
167 |
B. |
180 |
| |
|
C. |
5040 |
D. |
4680 |
| |
|
Hint |
|
| |
10. |
Draw a net for this figure. |
| |
|
 |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
11. |
If Q (3, 4) of triangle QRS is translated by reflecting it about the graph of y = -1, what are the coordinates of Q'? |
| |
|
A. |
(3 -6) |
B. |
(4, -5) |
| |
|
C. |
(-5, 4) |
D. |
(-6, 3) |
| |
|
Hint |
|
| |
12. |
Match the given graph with its corresponding equation. |
| |
|
 |
| |
|
A. |
x + 4y = -4 |
B. |
x + y = -1 |
| |
|
C. |
x + 2y = -2 |
D. |
4x + y = -1 |
| |
|
Hint |
|
| |
13. |
Find the slope of the line that passes through (-2, 9.5) and (4, 5). |
| |
|
A. |
 |
B. |
0 |
| |
|
C. |
 |
D. |
undefined |
| |
|
Hint |
|
| |
14. |
Which point is in the solution set of  and y > -2x – 1. |
| |
|
A. |
(-2, 8) |
B. |
(0, 3) |
| |
|
C. |
(-6, 5) |
D. |
(-2.8, 4.6) |
| |
|
Hint |
|
| |
15. |
Anthony and Sanford each throw a football. The height of Anthony's throw can represented by the equation A = –10x2 + 15x + 22, where A is height and x is the time in seconds. The height of Sanford's throw can represented by the equation S = –9x2 + 14x + 23. At time x, how much higher is Sanford's throw? |
| |
|
A. |
x2 – x – 1 |
B. |
x2 + x + 1 |
| |
|
C. |
x2 – x + 1 |
D. |
x2 + x – 1 |
| |
|
Hint |
|
| |
16. |
Using the box-and-whisker plot, what is the least value of the data for exam A? |
| |
|
 |
| |
|
A. |
83 |
B. |
50 |
| |
|
C. |
45 |
D. |
65 |
| |
|
Hint |
|
| |
17. |
In problem solving, a ______?______ is a model of a situation in which you carry out the trials, collect data and calculate probabilities. |
| |
|
A. |
pattern |
B. |
table |
| |
|
C. |
simulation |
D. |
diagram |
| |
|
Hint |
|
| |
18. |
If y varies inversely as  and y = 15 when x = 3, find y when x = 5. |
| |
|
A. |
27 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
19. |
What is the order of rotational symmetry for the figure shown? |
| |
|
 |
| |
|
A. |
4 |
B. |
3 |
| |
|
C. |
0 |
D. |
6 |
| |
|
Hint |
|
| |
20. |
What is the volume of a rectangular prism shown? |
| |
|
 |
| |
|
A. |
644 m3 |
B. |
524 m3 |
| |
|
C. |
624 m3 |
D. |
36 m3 |
| |
|
Hint |
|
|
|