Need the answers for 20 multiple choice Algebra questions

Section 15

Add, simplify, and state the domain.

A)

 , domain all s,    and all r,    and all t,   

B)

 , domain all s, r, and t

C)

 , domain all s, r, and t.

D)

 , domain all s,    and all r,    and all t,   

Simplify and state the domain for the expression.

A)

 , domain all x,  and 

B)

 , domain all x,  and 

C)

 , domain all x,   and   

D)

 , domain all x,  and   

Simplify and state the domain for the expression.

A)

 , domain all x, not equal to  and 

B)

 , domain all x, not equal to  and 

C)

 , domain all x, not equal to  and 

D)

 , domain all x, not equal to  and 

Identify the domain of the expression.

A)

All  ,  and 

B)

All  , 

C)

All  ,  ,  , and 

D)

All  ,  ,  ,  , and 

Subtract, simplify, and state the domain.

A)

 , domain all x,  and -5

B)

 , domain all x,  and -5

C)

 , domain all x,    and 1

D)

 , domain all x,    and 1

Subtract and simplify.

Domain all x,    and all y,   

A)

B)

C)

D)

Simplify.

A)

B)

C)

D)

Identify the domain of the following expression:

A)

All x,   

B)

All x,    and   

C)

All x,  ,  , and   

D)

All x

Identify the domain of the expression.

A)

All  ,  and 

B)

All  , 

C)

All  ,  ,  , and 

D)

All  ,  ,  ,  , and 

Add and simplify.

Domain all x,  , -1

A)

B)

C)

D)

Section 20

Simplify the expression , expressing the answer as a power of 7.

A)

B)

C)

D)

Simplify.

A)

B)

C)

D)

Which of the following equations is represented by the line shown below?

A)

B)

C)

D)

Solve for x:

A)

11

B)

23

C)

83

D)

121

Simplify   using positive exponents.

A)

B)

C)

D)

Which of the following equations represent the line that has slope -3 and goes through the point (2, 5)?

A)

B)

C)

D)

Which of the following equations are correct?

A)

B)

C)

neither

D)

both

Factor: 

A)

B)

C)

D)

Add, simplify, and state the domain.

A)

 , domain all s, r, and t.

B)

 , domain all s,    and all r,    and all t,   

C)

 , domain all s,    and all r,    and all t,   

D)

 , domain all s, r, and t

Simplify and state the domain for the expression.

A)

 , domain all x, not equal to  and 

B)

 , domain all x, not equal to  and