Question 1

Provide an appropriate response.
-Does the commutative property hold for the set of real numbers under the operation of division? Support your claim with an example.

Accepted Answer

No; exampl

Question 2

Solve the problem.
-If May is your starting month, what month will it be 36 months from May?

Accepted Answer

A)  April 
B)  June 
C)  May 
D)  October 
A)  April 
B)  June 
C)  May 
D)  October

Question 3

Determine the sum or difference in clock 12 arithmetic.
-4 - 9

Accepted Answer

A)  6 
B)  0 
C)  8 
D)  7 
A)  6 
B)  0 
C)  8 
D)  7

Question 4

Perform the modular arithmetic operation.
-19 - 54 (mod 6)

Accepted Answer

A)  1 
B)  0 
C)  210 
D)  4 
A)  1 
B)  0 
C)  210 
D)  4

Question 5

Find the product, AB, if possible.
-$$A = \left[ \begin{array} { l l } 
1 & 0 \
0 & 3
\end{array} \right] , B = \left[ \begin{array} { r r r } 
1 & 2 & - 1 \
2 & - 1 & 2
\end{array} \right]$$

Accepted Answer

A)  $\left[ \begin{array} { r r r } 6 & - 3 & 6 \ 1 & 2 & - 1 \end{array} \right]$ 
B)  $\left[ \begin{array} { r r r } 1 & 2 & - 1 \ 6 & - 3 & 6 \end{array} \right]$ 
C)  $\left[ \begin{array} { r r r } 1 & 0 & 0 \ 0 & - 3 & 6 \end{array} \right]$ 
D)  $\mathrm { AB }$ is not defined. 
A)  $\left[ \begin{array} { r r r } 6 & - 3 & 6 \ 1 & 2 & - 1 \end{array} \right]$ 
B)  $\left[ \begin{array} { r r r } 1 & 2 & - 1 \ 6 & - 3 & 6 \end{array} \right]$ 
C)  $\left[ \begin{array} { r r r } 1 & 0 & 0 \ 0 & - 3 & 6 \end{array} \right]$ 
D)  $\mathrm { AB }$ is not defined.

Question 6

Perform the indicated operation.
-[-5 7 4] - [4 3]

Accepted Answer

A)  Not defined 
B)  [-9 7 1] 
C)  [-9 4 1] 
D)  [-9 4 4] 
A)  Not defined 
B)  [-9 7 1] 
C)  [-9 4 1] 
D)  [-9 4 4]

Question 7

Find the modulo class to which the number belongs for the given modulo system.
-21, mod 8

Accepted Answer

A)  2 
B)  7 
C)  5 
D)  1 
A)  2 
B)  7 
C)  5 
D)  1

Provide an appropriate response. -Does the commutative property hold for the set of real numbers under the operation of division? Support your claim with an example.

Solve the problem. -If May is your starting month, what month will it be 36 months from May?

Determine the sum or difference in clock 12 arithmetic. -4 - 9

Perform the modular arithmetic operation. -19 - 54 (mod 6)

Find the product, AB, if possible. - $A = \left[ \begin{array} { l l } 1 & 0 \\0 & 3\end{array} \right] , B = \left[ \begin{array} { r r r } 1 & 2 & - 1 \\2 & - 1 & 2\end{array} \right]$

Perform the indicated operation. -[-5 7 4] - [4 3]

Find the modulo class to which the number belongs for the given modulo system. -21, mod 8

Critical Thinking Skills

Sets

Logic

Systems of Numeration

Number Theory and the Real Number System

Algebra, Graphs, and Functions

The Metric System

Consumer Mathematics

Probability

Voting and Apportionment

Filters

Exam 9: Geometry