Question 1

Choose the one alternative that best completes the statement or answers the question. 
 
Find the numerical value of the rational expression for the given value of x.
-  , x = -3

Accepted Answer

A)  -   
B)    
C)  -   
D)    
A)  -   
B)    
C)  -   
D)

Question 2

Write the word or phrase that best completes each statement or answers the question.
-Describe, in words, how to simplify a complex fraction by using the method of multiplying by the LCD of the parts (Method 2).

Accepted Answer

Answers will vary. One possible explanat

Question 3

Find the expression that is equivalent to the given rational expression.
--

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 4

Find all values that make the expression undefined.
-

Accepted Answer

A)  -8 
B)  0 
C)  Never undefined 
D)  8 
A)  -8 
B)  0 
C)  Never undefined 
D)  8

Question 5

Determine whether the situation or equation represents direct or inverse variation.
-y =

Accepted Answer

A)  Direct 
B)  Inverse 
A)  Direct 
B)  Inverse

Question 6

Write the word or phrase that best completes each statement or answers the question. 
 
Provide an appropriate response.
-Consider an equation of inverse variation y =   . When x increases, does y increase or decrease?

Accepted Answer

The answer of Write the word or phrase that best...

Question 7

Solve the equation.
-  + 5 =

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 8

Write the rational expression in lowest terms.
-

Accepted Answer

A)  -4x   
B)  -4x2    
C)  -4x2    
D)  -18x2    
A)  -4x   
B)  -4x2    
C)  -4x2    
D)  -18x2

Question 9

Choose the one alternative that best completes the statement or answers the question. 
 
Find the numerical value of the rational expression for the given value of x.
-  , x = 3

Accepted Answer

A)    
B)    
C)    
D)  -   
A)    
B)    
C)    
D)  -

Question 10

Solve the problem.
-If m varies directly as p, and m = 20 when p = 5, find m when p is 8.

Accepted Answer

A)  m = 64 
B)  m = 25 
C)  m = 16 
D)  m = 32 
A)  m = 64 
B)  m = 25 
C)  m = 16 
D)  m = 32

Question 11

Write the rational expression in lowest terms.
-

Accepted Answer

A)  1 
B)    
C)    
D)  -1 
A)  1 
B)    
C)    
D)  -1

Question 12

Choose the one alternative that best completes the statement or answers the question. 
 
Solve the problem.
-The speed of a stream is 5 mph. If a boat travels 62 mi downstream in the same time that it takes to travel 31 mi upstream, what is the speed of the boat in still water?

Accepted Answer

A)  18 mph 
B)  15 mph 
C)  10 mph 
D)  17 mph 
A)  18 mph 
B)  15 mph 
C)  10 mph 
D)  17 mph

Question 13

Solve the formula for the specified variable.
-I =   for R

Accepted Answer

A)  R =   
B)  R = kEI 
C)  R =   
D)  R = kE - I 
A)  R =   
B)  R = kEI 
C)  R =   
D)  R = kE - I

Question 14

Write the rational expression in lowest terms.
-

Accepted Answer

A)    
B)  -   
C)    
D)    
A)    
B)  -   
C)    
D)

Question 15

Solve the variation problem.
-The number of gears a machine can make varies directly as the time it operates. If it can make 4196 gears in 19 hr, how many gears can it make in 3 hr?

Accepted Answer

A)  4218 gears 
B)  220.84 gears 
C)  0.0136 gears 
D)  662.53 gears 
A)  4218 gears 
B)  220.84 gears 
C)  0.0136 gears 
D)  662.53 gears

Question 16

Add or subtract. Write the answer in lowest terms.
-  +

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 17

Multiply or divide as indicated. Write the answer in lowest terms.
-  ÷

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 18

Provide an appropriate response.
-Which of the following fractions is equivalent to   ?

Accepted Answer

A)    
B)  44  
C)  -   
D)  -   
A)    
B)  44  
C)  -   
D)  -

Question 19

Write the word or phrase that best completes each statement or answers the question. 
 
Provide an appropriate response.
-State whether the following situation represents direct variation, inverse variation, or neither, and explain why: A runner's speed in a race and the time it takes to run the race

Accepted Answer

Inverse variation; t

Question 20

Find all values that make the expression undefined.
-

Accepted Answer

A)  -2 
B)  2 
C)  Never undefined 
D)  2, 7 
A)  -2 
B)  2 
C)  Never undefined 
D)  2, 7

Choose the one alternative that best completes the statement or answers the question. Find the numerical value of the rational expression for the given value of x. - , x = -3

Write the word or phrase that best completes each statement or answers the question. -Describe, in words, how to simplify a complex fraction by using the method of multiplying by the LCD of the parts (Method 2).

Find the expression that is equivalent to the given rational expression. --

Find all values that make the expression undefined. -

Determine whether the situation or equation represents direct or inverse variation. -y =

Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. -Consider an equation of inverse variation y = . When x increases, does y increase or decrease?

Solve the equation. - + 5 =

Write the rational expression in lowest terms. -

Choose the one alternative that best completes the statement or answers the question. Find the numerical value of the rational expression for the given value of x. - , x = 3

Solve the problem. -If m varies directly as p, and m = 20 when p = 5, find m when p is 8.

Write the rational expression in lowest terms. -

Choose the one alternative that best completes the statement or answers the question. Solve the problem. -The speed of a stream is 5 mph. If a boat travels 62 mi downstream in the same time that it takes to travel 31 mi upstream, what is the speed of the boat in still water?

Solve the formula for the specified variable. -I = for R

Write the rational expression in lowest terms. -

Solve the variation problem. -The number of gears a machine can make varies directly as the time it operates. If it can make 4196 gears in 19 hr, how many gears can it make in 3 hr?

Add or subtract. Write the answer in lowest terms. - +

Multiply or divide as indicated. Write the answer in lowest terms. - ÷

Provide an appropriate response. -Which of the following fractions is equivalent to $Provide an appropriate response. -Which of the following fractions is equivalent to ?$ ?

Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. -State whether the following situation represents direct variation, inverse variation, or neither, and explain why: A runner's speed in a race and the time it takes to run the race

Find all values that make the expression undefined. -

The Real Number System

Linear Equations and Inequalities in One Variable

Linear Equations and Inequalities in Two Variables; Functions

Systems of Linear Equations and Inequalities

Exponents and Polynomials

Factoring and Applications

Rational Expressions and Applications

Quadratic Equations

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Exam 8: Roots and Radicals

Choose the one alternative that best completes the statement or answers the question. Find the numerical value of the rational expression for the given value of x. - , x = -3

Write the word or phrase that best completes each statement or answers the question. -Describe, in words, how to simplify a complex fraction by using the method of multiplying by the LCD of the parts (Method 2).

Find the expression that is equivalent to the given rational expression. --

Find all values that make the expression undefined. -

Determine whether the situation or equation represents direct or inverse variation. -y =

Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. -Consider an equation of inverse variation y = . When x increases, does y increase or decrease?

Solve the equation. - + 5 =

Write the rational expression in lowest terms. -

Choose the one alternative that best completes the statement or answers the question. Find the numerical value of the rational expression for the given value of x. - , x = 3

Solve the problem. -If m varies directly as p, and m = 20 when p = 5, find m when p is 8.

Write the rational expression in lowest terms. -

Choose the one alternative that best completes the statement or answers the question. Solve the problem. -The speed of a stream is 5 mph. If a boat travels 62 mi downstream in the same time that it takes to travel 31 mi upstream, what is the speed of the boat in still water?

Solve the formula for the specified variable. -I = for R

Write the rational expression in lowest terms. -

Solve the variation problem. -The number of gears a machine can make varies directly as the time it operates. If it can make 4196 gears in 19 hr, how many gears can it make in 3 hr?

Add or subtract. Write the answer in lowest terms. - +

Multiply or divide as indicated. Write the answer in lowest terms. - ÷

Provide an appropriate response. -Which of the following fractions is equivalent to ?

Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. -State whether the following situation represents direct variation, inverse variation, or neither, and explain why: A runner's speed in a race and the time it takes to run the race

Find all values that make the expression undefined. -

The Real Number System

Linear Equations and Inequalities in One Variable

Linear Equations and Inequalities in Two Variables; Functions

Systems of Linear Equations and Inequalities

Exponents and Polynomials

Factoring and Applications

Rational Expressions and Applications

Quadratic Equations

Preparing for Your Math Final

Filters

Provide an appropriate response. -Which of the following fractions is equivalent to $Provide an appropriate response. -Which of the following fractions is equivalent to ?$ ?