| |
| |
1. |
Solve the equation r2 = 38 to the nearest tenth. Is the answer rational or irrational? |
| |
|
A. |
neither of these |
| |
|
B. |
both of these |
| |
|
C. |
or ; irrational |
| |
|
D. |
or ; rational |
| |
|
Hint |
|
| |
2. |
Name the sets of numbers to which belongs. |
| |
|
A. |
integer, irrational, rational |
B. |
integer, rational, real |
| |
|
C. |
irrational, real |
D. |
rational, real |
| |
|
Hint |
|
| |
3. |
Solve the equation 160 = k2. Round your answer to the nearest tenth. |
| |
|
A. |
7.2, -7.2 |
B. |
12.6, -12.6 |
| |
|
C. |
25.3, -25.3 |
D. |
40.0, -40.0 |
| |
|
Hint |
|
| |
4. |
Order and 2.75 from least to greatest. |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
5. |
Solve c2 = 169. |
| |
|
A. |
c = 28561, -28561 |
B. |
c = 84.5, -84.5 |
| |
|
C. |
c = 13, -13 |
D. |
c = 338, -338 |
| |
|
Hint |
|
|
|