| |
| |
1. |
Name the property of equality shown by the statement: If 2 + 10 = 12 and 12 = 3(4), then 2 + 10 = 3(4). |
| |
|
A. |
Transitive Property of Equality |
B. |
Additive Property of Equality |
| |
|
C. |
Symmetric Property of Equality |
D. |
Reflexive Property of Equality |
| |
|
Hint |
|
| |
2. |
What is the value of 4x increased by the quantity x + 5 if x is equivalent to 10? |
| |
|
A. |
100 |
B. |
100x |
| |
|
C. |
55x |
D. |
55 |
| |
|
Hint |
|
| |
3. |
To add integers with the same sign, add their absolute values. Give the result with _____. |
| |
|
A. |
the opposite sign of the integers |
B. |
a positive sign |
| |
|
C. |
a negative sign |
D. |
the same sign as the integers |
| |
|
Hint |
|
| |
4. |
What is the difference 6 - (-6)? |
| |
|
A. |
0 |
B. |
12 |
| |
|
C. |
-6 |
D. |
6 |
| |
|
Hint |
|
| |
5. |
The product of two integers with different signs is _____. |
| |
|
A. |
positive |
B. |
negative |
| |
|
C. |
equal to 0 |
D. |
equal to 1 |
| |
|
Hint |
|
| |
6. |
The sum of two negative rational numbers is _______. |
| |
|
A. |
positive |
B. |
zero |
| |
|
C. |
negative |
D. |
one |
| |
|
Hint |
|
| |
7. |
Find the sum -6.25 + (-1.3). |
| |
|
A. |
-7.55 |
B. |
7.55 |
| |
|
C. |
-4.95 |
D. |
4.95 |
| |
|
Hint |
|
| |
8. |
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
9. |
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. |
$5.00 |
B. |
$102.00 |
| |
|
C. |
$10.20 |
D. |
$9.25 |
| |
|
Hint |
|
| |
10. |
The length of the Nile river is 4180 miles. That is 268 miles more than the Amazon river. If l is the length of the Amazon river, which equation represents this situation? |
| |
|
A. |
l + 268 = 4180 |
B. |
l - 268 = 4180 |
| |
|
C. |
l = 4180 + 268 |
D. |
l + (-268) = 4180 |
| |
|
Hint |
|
| |
11. |
Suppose you need to solve the equation 3 = 2(5x + 1). What is a logical first step in solving this equation? |
| |
|
A. |
Use the Addition Property of Equality. |
B. |
Use the Substitution Property of Equality. |
| |
|
C. |
Use the Subtraction Property of Equality. |
D. |
Use the Distributive Property. |
| |
|
Hint |
|
| |
12. |
The odds of an event can best be described as ______. |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
13. |
There are 3 red gumballs, 2 blue gumballs, and 5 white gumballs in a sack. One gumball is drawn at random from the sack. Whate is the probability that the gumball is either red or blue? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
0 |
| |
|
Hint |
|
| |
14. |
Write a sentence for 29m – 3n = 4 ÷ m |
| |
|
A. |
Twenty-nine times a number minus three times another number equals four divided by the first number. |
B. |
Twenty-nine times a number minus three times that number equals four times the number. |
| |
|
C. |
Four divided by twenty-nine times a number equals three times another number minus the first number. |
D. |
Four divided by a number equals twenty-nine times the number minus three times the number. |
| |
|
Hint |
|
| |
15. |
Simplify the expression 6 · (3x · 4 · 2x). |
| |
|
A. |
144x2 |
B. |
12 + 6x |
| |
|
C. |
18x2 + 3 |
D. |
72x2 |
| |
|
Hint |
|
| |
16. |
According to the graph, do you think Arturo will be making at least $80.00 per week by the time he is 16 if he continues his lawn mowing business? Explain. |
| |
|
 |
| |
|
A. |
Yes; if the graph keeps increasing at the same rate, it will bypass $80.00 per week by the time he is 16 years old. |
B. |
Yes; Arturo has always made at least $80.00 per week mowing lawns. |
| |
|
C. |
No; the graph never goes higher than $75.00 per week. |
D. |
No; the amount of money Arturo makes per week is decreasing. |
| |
|
Hint |
|
| |
17. |
Solve . |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
18. |
Donald is a waiter at a restaurant. The restaurant has a policy that a glass of soda pop should be 16 oz full. Donald's manager tells him that he is allowed to be 1 oz off in either direction. Which absolute value equation represents this situation? |
| |
|
A. |
|x + 16| = -1 |
B. |
|x – 16| = 1 |
| |
|
C. |
|x + 16| = 1 |
D. |
|x – 16| = -1 |
| |
|
Hint |
|
| |
19. |
Refer to the graph, what was the percent decrease in carbon monoxide emission from 1970 to 1980? |
| |
|
 |
| |
|
A. |
35% |
B. |
14% |
| |
|
C. |
56% |
D. |
23% |
| |
|
Hint |
|
| |
20. |
The graph shows the distribution of eye color at Moby High School. If you randomly meet a student from the school, what is the probability of he or she having blue or green eyes, to the nearest percent? |
| |
|
 |
| |
|
A. |
65% |
B. |
30% |
| |
|
C. |
14% |
D. |
9% |
| |
|
Hint |
|
|
|