Question 1

Solve the following equation.

Accepted Answer

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

Question 2

Solve:

Accepted Answer

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

Question 3

Find the x-intercepts of the graph of the equation

Accepted Answer

A)    
B)    ,   
C)    
D)    ,   
E)    ,   
A)    
B)    ,   
C)    
D)    ,   
E)    ,

Question 4

Solve the following quadratic equation by factoring.

Accepted Answer

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

Question 5

Find the x-intercepts of the graph of the equation   .

Accepted Answer

A)    ,   
B)    ,   
C)    ,   
D)    ,   
E)    ,   
A)    ,   
B)    ,   
C)    ,   
D)    ,   
E)    ,

Question 6

Use absolute value notation to define the interval shown below.   -7 7

Accepted Answer

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

Question 7

Solve:

Accepted Answer

A)  no solution 
B)    
C)    
D)    
E)    
A)  no solution 
B)    
C)    
D)    
E)

Question 8

Solve:

Accepted Answer

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

Question 9

Determine the intervals on which the following polynomial is entirely negative and those on which it is entirely positive.

Accepted Answer

A)  entirely negative:   ; entirely positive:
  
B)  entirely negative:   ,
  ; entirely positive:
  
C)  entirely negative:   ,
  ; entirely positive:
  
D)  entirely negative:   ; entirely positive:
  ,
  
E)  entirely negative:   ; entirely positive:
  
A)  entirely negative:   ; entirely positive:
  
B)  entirely negative:   ,
  ; entirely positive:
  
C)  entirely negative:   ,
  ; entirely positive:
  
D)  entirely negative:   ; entirely positive:
  ,
  
E)  entirely negative:   ; entirely positive:

Question 10

Solve   using the quadratic formula.

Accepted Answer

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

Question 11

The average lengths L of cellular phone calls in minutes from 1999 to 2004 are shown in the table below.   Use the regression feature of a graphing utility to find a linear model for the data. Let t represent the year, with t = 9 corresponding to 1999. Use the model to predict the average lengths of cellular phone calls for the year 2010. Round your answer to two decimal places.

Accepted Answer

A)  7.52 minutes 
B)  2.76 minutes 
C)  4.76 minutes 
D)  1.88 minutes 
E)  3.76 minutes 
A)  7.52 minutes 
B)  2.76 minutes 
C)  4.76 minutes 
D)  1.88 minutes 
E)  3.76 minutes

Question 12

Determine any point(s) of intersection between the following equations.

Accepted Answer

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

Question 13

The scatter plots of different data are shown below. Determine whether there is a positive correlation, negative correlation, or no discernible correlation between the variables.

Accepted Answer

A)  no discernible correlation 
B)  negative correlation 
C)  positive correlation 
A)  no discernible correlation 
B)  negative correlation 
C)  positive correlation

Question 14

Simplify   and write the answer in standard form.

Accepted Answer

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

Question 15

Determine the intervals on which the following polynomial is entirely negative and those on which it is entirely positive.

Accepted Answer

A)  entirely negative:   ; entirely positive:
  
B)  entirely negative:   ,
  ; entirely positive:
  
C)  entirely negative:   ,
  ; entirely positive:
  
D)  entirely negative:   ; entirely positive:
  ,
  
E)  entirely negative:   ; entirely positive:
  
A)  entirely negative:   ; entirely positive:
  
B)  entirely negative:   ,
  ; entirely positive:
  
C)  entirely negative:   ,
  ; entirely positive:
  
D)  entirely negative:   ; entirely positive:
  ,
  
E)  entirely negative:   ; entirely positive:

Question 16

Find all solutions of the following equation algebraically.

Accepted Answer

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

Question 17

Solve the following quadratic equation by factoring.

Accepted Answer

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

Question 18

Use absolute value notation to define the interval shown below.   -8 0

Accepted Answer

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

Question 19

Find all solutions of   .

Accepted Answer

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

Question 20

Find all solutions of the following equation algebraically.

Accepted Answer

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

Solve the following equation.

Solve:

Find the x-intercepts of the graph of the equation

Solve the following quadratic equation by factoring.

Find the x-intercepts of the graph of the equation .

Use absolute value notation to define the interval shown below. -7 7

Solve:

Solve:

Determine the intervals on which the following polynomial is entirely negative and those on which it is entirely positive.

Solve using the quadratic formula.

Determine any point(s) of intersection between the following equations.

The scatter plots of different data are shown below. Determine whether there is a positive correlation, negative correlation, or no discernible correlation between the variables.

Simplify and write the answer in standard form.

Determine the intervals on which the following polynomial is entirely negative and those on which it is entirely positive.

Find all solutions of the following equation algebraically.

Solve the following quadratic equation by factoring.

Use absolute value notation to define the interval shown below. -8 0

Find all solutions of .

Find all solutions of the following equation algebraically.

Functions and Their Graphs

Polynomial and Rational Functions

Exponential and Logarithmic Functions

Trigonometric Functions

Analytic Trigonometry

Additional Topics in Trigonometry

Linear Systems and Matrices

Sequences, Series, and Probability

Topics in Analytic Geometry

Prerequisites

Filters

Exam 2: Solving Equations and Inequalities

Solve the following equation.

Solve:

Find the x-intercepts of the graph of the equation

Solve the following quadratic equation by factoring.

Find the x-intercepts of the graph of the equation .

Use absolute value notation to define the interval shown below. -7 7

Solve:

Solve:

Determine the intervals on which the following polynomial is entirely negative and those on which it is entirely positive.

Solve using the quadratic formula.

Determine any point(s) of intersection between the following equations.

The scatter plots of different data are shown below. Determine whether there is a positive correlation, negative correlation, or no discernible correlation between the variables.

Simplify and write the answer in standard form.

Determine the intervals on which the following polynomial is entirely negative and those on which it is entirely positive.

Find all solutions of the following equation algebraically.

Solve the following quadratic equation by factoring.

Use absolute value notation to define the interval shown below. -8 0

Find all solutions of .

Find all solutions of the following equation algebraically.

Functions and Their Graphs

Polynomial and Rational Functions

Exponential and Logarithmic Functions

Trigonometric Functions

Analytic Trigonometry

Additional Topics in Trigonometry

Linear Systems and Matrices

Sequences, Series, and Probability

Topics in Analytic Geometry

Prerequisites

Filters