Multiple Choice Identify the
choice that best completes the statement or answers the question.
|
|
|
Find the absolute value.
|
|
1.
|
| –15 |
a. | –15 | c. | | –15 | | b. | | 15 | | d. | 15 |
|
|
2.
|
| 11 |
a. | | 11 | | c. | –11 | b. | 11 | d. | | –11 | |
|
|
3.
|
| –95 |
a. | | 95 | | c. | 95 | b. | | –95 | | d. | –95 |
|
|
|
Add.
|
|
4.
|
–8 + (–6)
|
|
|
Subtract.
|
|
5.
|
7 – (–3)
|
|
|
Multiply.
|
|
6.
|
|
|
|
Divide, if possible.
|
|
7.
|
a. | –8 | c. | 8 | b. | ![mc007-2.jpg](tp_01_ct_files/mc007-2.jpg) | d. | ![mc007-3.jpg](tp_01_ct_files/mc007-3.jpg) |
|
|
|
Find the mean of the integers.
|
|
8.
|
–12, –4, –11, –6, 4
|
|
9.
|
9, 7, 1, 8, –1, –36
|
Numeric Response
|
|
1.
|
Your bank account has a balance of –$13. You deposit $30. What is your new
balance?
|
|
|
Evaluate the expression when x = 12, y = –3, and z
= –2.
|
|
2.
|
|
|
3.
|
|
|
4.
|
Five different integers have a mean of –4. Four of the integers are
–5, –8, –6, and –2. What is the fifth integer?
|
Short Answer
|
|
1.
|
–7 ? | –6 |
|
|
2.
|
| –3 | ? –4
|
|
3.
|
You deposit $20 in your savings account. One week later, you withdraw $45. Write
each amount as an integer.
|
|
4.
|
The temperature dropped 18°F in 3 hours. The final temperature is
–7°F. What was the starting temperature? Explain how you found your answer.
|