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West Texas A&M University - Home
Virtual Math Lab

Intermediate Algebra
Answer/Discussion to Practice Problems  
Tutorial 31:Practice Test on Tutorials 23 - 30


Problem 1a: 

 
problem 1a
 

checkAnswer:

ad1a

 
 
Problem 1b: 

 
problem 1b
 

checkAnswer:

ad1b

 
 
Problem 1c: 

 
problem 1d
 

checkAnswer:

ad1c

 
 
Problem 1d: 

 
problem 1d
 

checkAnswer:

ad1d

 
 
Problem 1e: 

 
problem 1e
 

checkAnswer:

ad1e

 
 
Problem 1f: 

 
problem 1f
 

checkAnswer:

ad1f

 
 
 
Problem 2a: 

 
73,200,000
 

checkAnswer:

ad2a

 
 
Problem 3a: 

 
problem 3a
 

checkAnswer:

ad3a

 
 
Problem 4a: 

 
problem 4a
 

checkAnswer:

ad4a

 
 
Problem 5a: 

 
problem 5a
 

checkAnswer:

Since the degree is the sum of the variable exponents and it looks like we have a 2 and a 3 as our exponents, the degree would have to be 2 + 3 = 5.

 
 
Problem 5b: 

 
-8
 

checkAnswer:

Since this is a constant term, it's degree is 0.

 
 
Problem 6a: 

 
problem 6a
 

checkAnswer:

Since the degree of the polynomial is the highest degree of all the terms, it looks like the degree is 5.

Since there are two terms, this is a binomial.

 
 
Problem 6b: 

 
problem 6b
 

checkAnswer:

Since the degree of the polynomial is the highest degree of all the terms, it looks like the degree is 3.

Since there is one term, this is a monomial.

 
 
Problem 6c: 

 
problem 6c
 

checkAnswer:

Since the degree of the polynomial is the highest degree of all the terms, it looks like the degree is 2.

Since there are two terms, this is a trinomial.

 
 
 
Problem 7a: 

 
problem 7a;  P(-2)
 

checkAnswer:

ad7a

 
 
Problem 8a: 

 
problem 8a
 

checkAnswer:

ad8a

 
 
Problem 8b: 

 
problem 8b
 

checkAnswer:

ad8b

 
 
Problem 9a: 

 
problem 9a
 

checkAnswer:

ad9a

 
 
Problem 9b: 

 
problem 9b
 

checkAnswer:

ad9b

 
 
Problem 9c: 

 
problem 9c
 

checkAnswer:

ad9c

 
 
Problem 9d: 

 
problem 9d
 

checkAnswer:

ad9d

 
 
Problem 9e: 

 
problem 9e
 

checkAnswer:

ad9e

 
 
Problem 10a: 

 
problem 10a
 

checkAnswer:

ad10a

 
 
Problem 10b: 

 
problem 10b
 

checkAnswer:

ad10b

 
 
Problem 10c: 

 
problem 10c
 

checkAnswer:

ad10c

 
 
Problem 10d: 

 
problem 10d
 

checkAnswer:

ad10d2

 
 
Problem 10e: 

 
problem 10e
 

checkAnswer:

ad10e

 
 
Problem 11a: 

 
problem 11a
 

checkAnswer:

ad11a
 

x = -5, 5

 
 
Problem 11b: 

 
problem 11b
 

checkAnswer:

ad11b
 

x = -6 and 1

 
 
Problem 11c: 

 
problem 11c
 

checkAnswer:

ad11c
 

x = 7, -3

 

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Last revised on July 16, 2011 by Kim Seward.
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