Question 1

Solve:

Accepted Answer

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

Question 2

Simplify   and write the answer in standard form.

Accepted Answer

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

Question 3

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) negative correlation 
B) no discernible correlation 
C) positive correlationChapter 2MULTIPLE CHOICE 
A) negative correlation 
B) no discernible correlation 
C) positive correlationChapter 2MULTIPLE CHOICE

Question 4

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

Accepted Answer

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

Question 5

Find an equation that has   ,-i, -5, and 4 as solutions.

Accepted Answer

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

Question 6

Solve:

Accepted Answer

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

Question 7

Simplify   and write the answer in standard form.

Accepted Answer

A)    
B) The expression cannot be simplified. 
C)    
D)    
E)    
A)    
B) The expression cannot be simplified. 
C)    
D)    
E)

Question 8

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 9

Use absolute value notation to define the interval shown below.   -1 9

Accepted Answer

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

Question 10

Determine whether there is positive correlation, negative correlation, or no discernible correlation between the variables shown in the scatter plot below.

Accepted Answer

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

Question 11

Solve   by factoring.

Accepted Answer

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

Question 12

Which of the following is a zero of the given function?     ,   ,   ,

Accepted Answer

A)    
B)    
C)    
D)    
E) none of these 
A)    
B)    
C)    
D)    
E) none of these

Question 13

Find the x-intercepts of the graph of the equation

Accepted Answer

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

Question 14

Solve   by factoring.

Accepted Answer

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

Question 15

Solve the inequality   and write the solution set in interval notation.

Accepted Answer

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

Question 16

Solve   using the quadratic formula.

Accepted Answer

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

Question 17

Given the following equation, set   and solve the resulting equation.

Accepted Answer

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

Question 18

Find all solutions of   .

Accepted Answer

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

Question 19

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 2012. Round your answer to two decimal places.

Accepted Answer

A) 5.00 minutes 
B) 8.00 minutes 
C) 4.00 minutes 
D) 2.00 minutes 
E) 3.00 minutes 
A) 5.00 minutes 
B) 8.00 minutes 
C) 4.00 minutes 
D) 2.00 minutes 
E) 3.00 minutes

Question 20

Solve the following quadratic equation by factoring.

Accepted Answer

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

Solve:

Simplify and write the answer in standard form.

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.

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

Find an equation that has ,-i, -5, and 4 as solutions.

Solve:

Simplify and write the answer in standard form.

Use absolute value notation to define the interval shown below. -1 9

Determine whether there is positive correlation, negative correlation, or no discernible correlation between the variables shown in the scatter plot below.

Solve by factoring.

Which of the following is a zero of the given function? , , ,

Find the x-intercepts of the graph of the equation

Solve by factoring.

Solve the inequality and write the solution set in interval notation.

Solve using the quadratic formula.

Given the following equation, set and solve the resulting equation.

Find all solutions of .

Solve the following quadratic equation by factoring.

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

Algebraic Expressions and Equations

Filters

Exam 2: Solving Equations and Inequalities

Solve:

Simplify and write the answer in standard form.

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.

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

Find an equation that has ,-i, -5, and 4 as solutions.

Solve:

Simplify and write the answer in standard form.

Use absolute value notation to define the interval shown below. -1 9

Determine whether there is positive correlation, negative correlation, or no discernible correlation between the variables shown in the scatter plot below.

Solve by factoring.

Which of the following is a zero of the given function? , , ,

Find the x-intercepts of the graph of the equation

Solve by factoring.

Solve the inequality and write the solution set in interval notation.

Solve using the quadratic formula.

Given the following equation, set and solve the resulting equation.

Find all solutions of .

Solve the following quadratic equation by factoring.

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

Algebraic Expressions and Equations

Filters