Multiple Choice
Identify the
choice that best completes the statement or answers the question.
|
|
|
1.
|
Find the principal square root of  , if possible. Do not use a
calculator. a. | 14 | b. |  | c. |  | d. |  | e. | no real roots |
|
|
|
2.
|
Classify the number  as rational or irrational.
|
|
|
3.
|
Classify the number  as rational or irrational.
|
|
|
4.
|
Evaluate the radical expression (if possible) without using a
calculator. 
|
|
|
5.
|
Evaluate the radical expression  without using a calculator.
If not possible, state the reason. a. |  | b. |  | c. |  | d. |  | e. | not a real
number |
|
|
|
6.
|
Simplify the radical  , if possible. a. |  | b. |  | c. |  | d. |  | e. | cannot be
simplified |
|
|
|
7.
|
Simplify the radical  , if possible. a. |  | b. | 2 | c. |  | d. | 121 | e. | cannot be
simplified |
|
|
|
8.
|
The four corners are cut from a 3-foot-by- 6-foot sheet of plywood, as shown in
the figure. Find the perimeter of the remaining piece of plywood. In the figure  .
Round your answer to two decimal places.  a. | 26.94 feet | b. | 10.24 feet | c. | 14.49
feet | d. | 21.94 feet | e. | 22.66 feet |
|
|
|
9.
|
Multiply and simplify. 
|
|
|
10.
|
Multiply and simplify the expression. 
|
|
|
11.
|
Multiply and simplify. 
|
|
|
12.
|
Complete the statement. 
|
|
|
13.
|
Solve  , if possible.
|
|
|
14.
|
Use the Pythagorean Theorem to find the value of x. Round your answer to
two decimal places. 
|
|
|
15.
|
Subtract  and write in standard form.
|
|
|
16.
|
Determine the values of a and b that satisfy the
equation. 
|
|
|
17.
|
Perform the operation  and write the result in
standard form.
|
|
|
18.
|
Perform the operation and write the result in standard form. 
|
|
|
19.
|
Multiply  by its complex conjugate and
simplify.
|
|
|
20.
|
Multiply  by its complex conjugate and
simplify.
|