| |
| |
1. |
When two fractions are compared, the cross products are the products of _____. |
| |
|
A. |
the denominators |
B. |
the numerators |
| |
|
C. |
the diagonal terms |
D. |
the consecutive terms |
| |
|
Hint |
|
| |
2. |
Write  and  in order from least to greatest. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
3. |
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
4. |
Ten students were comparing their weekly allowances. The allowances were $4.50, $7.00, $5.00, $10.00, $5.00, $12.50, $8.50, $17.50, $20.00, and $12.00. What is the mean of this set of data? |
| |
|
A. |
$10.20 |
B. |
$5.00 |
| |
|
C. |
$9.25 |
D. |
$102.00 |
| |
|
Hint |
|
| |
5. |
Ten test scores from Mrs. McDaniel's mathematics class are 100, 95, 93, 86, 82, 80, 78, 77, 75, and 75. She calculates the mean, median, and mode of the scores. An eleventh student takes the test with a score of 62. Mrs. McDaniel recalculates the mean, median, and mode of the test scores. Which measure changes the most when the eleventh score is included? |
| |
|
A. |
mean |
B. |
median |
| |
|
C. |
The mean, median, and mode change equally. |
D. |
mode |
| |
|
Hint |
|
| |
6. |
Which equation below is not an example of the Addition Property
of Equality? |
| |
|
A. |
If z = 5, then z + 1 = 5 + 1. |
B. |
If j = 4 + 3, then j + 6 = 4 + 3 + 6 |
| |
|
C. |
If d = 10, then
d + 9 = 10 + 8. |
D. |
If a = b, then a + 2 = b + 2. |
| |
|
Hint |
|
| |
7. |
Solve the equation s + (-2) = -8. |
| |
|
A. |
6 |
B. |
10 |
| |
|
C. |
-10 |
D. |
-6 |
| |
|
Hint |
|
| |
8. |
A solution set that has no members is called the _______. |
| |
|
A. |
zero set |
B. |
variable set |
| |
|
C. |
replacement set |
D. |
empty set |
| |
|
Hint |
|
| |
9. |
To model the equation x + (-3) = 6 using algebra tiles, which tiles should you use on the left side of the mat? |
| |
|
A. |
one green rectangular tile and 3 yellow square tiles |
B. |
one green rectangular tile and 3 red square tiles |
| |
|
C. |
one red square tile and 3 yellow square tiles |
D. |
one yellow square tile and 3 red square tiles |
| |
|
Hint |
|
| |
10. |
Find 4.5 + (-2.9) + 3.2. |
| |
|
A. |
-10.6 |
B. |
-4.8 |
| |
|
C. |
4.8 |
D. |
10.6 |
| |
|
Hint |
|
| |
11. |
Choose the solution of 6x + 1 = 7 if the replacement set is {-1, 0, 1, 2}. |
| |
|
A. |
-1 |
B. |
2 |
| |
|
C. |
1 |
D. |
0 |
| |
|
Hint |
|
| |
12. |
Choose the solution of 8 –  = 6 if the replacement set is {2, 4, 6, 8}. |
| |
|
A. |
6 |
B. |
4 |
| |
|
C. |
8 |
D. |
2 |
| |
|
Hint |
|
| |
13. |
Solve the equation x + 5 = -7. |
| |
|
A. |
x = -2 |
B. |
x = 12 |
| |
|
C. |
x = -12 |
D. |
x = 2 |
| |
|
Hint |
|
| |
14. |
Solve |c + 3| – 4 = -2 |
| |
|
A. |
-1 or 5 |
B. |
1 or 5 |
| |
|
C. |
no solution |
D. |
-1 or -5 |
| |
|
Hint |
|
|
|