| |
| |
1. |
Determine the most specific set of numbers to which -8.3 belongs. |
| |
|
A. |
real numbers |
B. |
rational numbers |
| |
|
C. |
whole numbers |
D. |
integers |
| |
|
Hint |
|
| |
2. |
Solve the equation r2 = 38 to the nearest tenth. Is the answer rational or irrational? |
| |
|
A. |
 or  ; irrational |
| |
|
B. |
or ; rational |
| |
|
C. |
neither of these |
| |
|
D. |
both of these |
| |
|
Hint |
|
| |
3. |
Name the sets of numbers to which  belongs. |
| |
|
A. |
integer, irrational, rational |
B. |
rational, real |
| |
|
C. |
irrational, real |
D. |
integer, rational, real |
| |
|
Hint |
|
| |
4. |
Solve the equation 160 = k2. Round your answer to the nearest tenth. |
| |
|
A. |
25.3, -25.3 |
B. |
40.0, -40.0 |
| |
|
C. |
12.6, -12.6 |
D. |
7.2, -7.2 |
| |
|
Hint |
|
| |
5. |
Name all sets of numbers to which  is a member. |
| |
|
A. |
rational, integer |
B. |
rational, integer, whole, natural |
| |
|
C. |
rational, integer, whole |
D. |
irrational |
| |
|
Hint |
|
|
|