Question 1

Solve the inequality and graph. Express your answer in interval notation:
--3( 3x - 2) < -12x - 21

Accepted Answer

A)  [ -9, $\infty$)   
B)  ( -9, $\infty$)   
C)  (-$\infty$ -9)   
D)  (-$\infty$, -9]   
A)  [ -9, $\infty$)   
B)  ( -9, $\infty$)   
C)  (-$\infty$ -9)   
D)  (-$\infty$, -9]   C

Question 2

Solve the formula for the specified variable:
-7x + 10y = 19 for y

Accepted Answer

A)  - 7x - 10y = -19 
B)    
C)    
D)  y = 7x - 19 
A)  - 7x - 10y = -19 
B)    
C)    
D)  y = 7x - 19 C

Question 3

The mathematical model   represents the cost in dollars a company has in manufacturing x items during a month. Using this model, how much does it cost to produce 600 items?

Accepted Answer

A)  $50.00 
B)  $0.08 
C)  $390,000 
D)  $360,000 
A)  $50.00 
B)  $0.08 
C)  $390,000 
D)  $360,000 C

Question 4

Solve the inequality and graph. Express your answer in interval notation:
-24x + 8 > 4( 5x + 7)

Accepted Answer

A)  [ 5, $\infty$)   
B)  ( 5, $\infty$)   
C)  (-$\infty$, 5]   
D)  (-$\infty$, 5)   
A)  [ 5, $\infty$)   
B)  ( 5, $\infty$)   
C)  (-$\infty$, 5]   
D)  (-$\infty$, 5)

Question 5

Graph the linear equation and determine its slope, if it exists:
-3x + 5y = 11

Accepted Answer

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

Question 6

Use the graph to find the slope, x-intercept and y-intercept of the line.

Accepted Answer

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

Question 7

Determine whether the slope of the line is positive, negative, zero, or undefined:
-

Accepted Answer

A)  zero 
B)  undefined 
C)  negative 
D)  positive 
A)  zero 
B)  undefined 
C)  negative 
D)  positive

Question 8

Solve the inequality and graph. Express your answer in interval notation:
-4x - 4 > 3x - 1

Accepted Answer

A)  (-$\infty$, 3]   
B)  (3, $\infty$)   
C)  ( -5, $\infty$)   
D)  [3, $\infty$)   
A)  (-$\infty$, 3]   
B)  (3, $\infty$)   
C)  ( -5, $\infty$)   
D)  [3, $\infty$)

Question 9

Solve the problem. Express your answer as an integer or simplified fraction:
-7x - (5x - 1) = 2

Accepted Answer

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

Question 10

Graph the linear equation and determine its slope, if it exists:
-2x - 5y = 20

Accepted Answer

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

Question 11

Use the REGRESSION feature on a graphing calculator:
-The use of bottled water in the United States has shown a steady increase in recent years. The table shows the annual per capita consumption for the years 1995 - 2001.
 
With x being the years since 1995, find the linear function that represents this data. Round your answer to two decimal places.

Accepted Answer

A)  y = 0.89x + 4.07 
B)    
C)  y = 4.07x + 0.89 
D)    
A)  y = 0.89x + 4.07 
B)    
C)  y = 4.07x + 0.89 
D)

Question 12

Solve:

Accepted Answer

A)  3 
B)  - 2 
C)  2 
D)  - 3 
A)  3 
B)  - 2 
C)  2 
D)  - 3

Question 13

Solve the problem. Express your answer as an integer or simplified fraction:
-

Accepted Answer

A)  - 2 
B)  - 6 
C)  14 
D)  - 14 
A)  - 2 
B)  - 6 
C)  14 
D)  - 14

Question 14

Find the slope and y intercept of the graph of the equation:
-

Accepted Answer

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

Question 15

Graph the linear function defined by f(x) =   x + 2 and indicate the slope and intercepts.

Accepted Answer

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

Question 16

Solve the problem. Express your answer as an integer or simplified fraction:
-

Accepted Answer

A)  - 16 
B)  - 17 
C)  - 22 
D)  - 11 
A)  - 16 
B)  - 17 
C)  - 22 
D)  - 11

Question 17

Determine whether the slope of the line is positive, negative, zero, or undefined:
-

Accepted Answer

A)  positive 
B)  negative 
C)  zero 
D)  undefined 
A)  positive 
B)  negative 
C)  zero 
D)  undefined

Question 18

Find the Celsius temperature (to the nearest degree) when Fahrenheit temperature is 50° by solving the equation 50 =   C + 32, where F is the Fahrenheit temperature (in degrees) and C is the Celsius temperature.

Accepted Answer

A)  96°C 
B)  24°C 
C)  122°C 
D)  10°C 
A)  96°C 
B)  24°C 
C)  122°C 
D)  10°C

Question 19

Write an equation of the line with the indicated slope and y intercept:
-

Accepted Answer

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

Question 20

Find the slope of the line containing the given points:
-(-5, 2) and (0, 2)

Accepted Answer

A)  0 
B)    
C)  -   
D)  Undefined 
A)  0 
B)    
C)  -   
D)  Undefined

Solve the inequality and graph. Express your answer in interval notation: --3( 3x - 2) < -12x - 21

Solve the formula for the specified variable: -7x + 10y = 19 for y

The mathematical model represents the cost in dollars a company has in manufacturing x items during a month. Using this model, how much does it cost to produce 600 items?

Solve the inequality and graph. Express your answer in interval notation: -24x + 8 > 4( 5x + 7)

Graph the linear equation and determine its slope, if it exists: -3x + 5y = 11

Use the graph to find the slope, x-intercept and y-intercept of the line.

Determine whether the slope of the line is positive, negative, zero, or undefined: -

Solve the inequality and graph. Express your answer in interval notation: -4x - 4 > 3x - 1

Solve the problem. Express your answer as an integer or simplified fraction: -7x - (5x - 1) = 2

Graph the linear equation and determine its slope, if it exists: -2x - 5y = 20

Solve:

Solve the problem. Express your answer as an integer or simplified fraction: - $Solve the problem. Express your answer as an integer or simplified fraction: -$

Find the slope and y intercept of the graph of the equation: -

Graph the linear function defined by f(x) = x + 2 and indicate the slope and intercepts.

Solve the problem. Express your answer as an integer or simplified fraction: - $Solve the problem. Express your answer as an integer or simplified fraction: -$

Determine whether the slope of the line is positive, negative, zero, or undefined: -

Find the Celsius temperature (to the nearest degree) when Fahrenheit temperature is 50° by solving the equation 50 = C + 32, where F is the Fahrenheit temperature (in degrees) and C is the Celsius temperature.

Write an equation of the line with the indicated slope and y intercept: -

Find the slope of the line containing the given points: -(-5, 2) and (0, 2)

Functions and Graphs

Mathematics of Finance

Systems of Linear Equations; Matrices

Linear Inequalities and Linear Programming

Linear Programming: The Simplex Method

Logic, Sets, and Counting

Probability

Markov Chains

Data Description and Probability Distributions

Games and Decisions

Appendix A: Basic Algebra Review

Appendix B: Special Topics

Filters

Exam 1: Linear Equations and Graphs

Solve the inequality and graph. Express your answer in interval notation: --3( 3x - 2) < -12x - 21

Solve the formula for the specified variable: -7x + 10y = 19 for y

The mathematical model represents the cost in dollars a company has in manufacturing x items during a month. Using this model, how much does it cost to produce 600 items?

Solve the inequality and graph. Express your answer in interval notation: -24x + 8 > 4( 5x + 7)

Graph the linear equation and determine its slope, if it exists: -3x + 5y = 11

Use the graph to find the slope, x-intercept and y-intercept of the line.

Determine whether the slope of the line is positive, negative, zero, or undefined: -

Solve the inequality and graph. Express your answer in interval notation: -4x - 4 > 3x - 1

Solve the problem. Express your answer as an integer or simplified fraction: -7x - (5x - 1) = 2

Graph the linear equation and determine its slope, if it exists: -2x - 5y = 20

Solve:

Solve the problem. Express your answer as an integer or simplified fraction: -

Find the slope and y intercept of the graph of the equation: -

Graph the linear function defined by f(x) = x + 2 and indicate the slope and intercepts.

Solve the problem. Express your answer as an integer or simplified fraction: -

Determine whether the slope of the line is positive, negative, zero, or undefined: -

Find the Celsius temperature (to the nearest degree) when Fahrenheit temperature is 50° by solving the equation 50 = C + 32, where F is the Fahrenheit temperature (in degrees) and C is the Celsius temperature.

Write an equation of the line with the indicated slope and y intercept: -

Find the slope of the line containing the given points: -(-5, 2) and (0, 2)

Functions and Graphs

Mathematics of Finance

Systems of Linear Equations; Matrices

Linear Inequalities and Linear Programming

Linear Programming: The Simplex Method

Logic, Sets, and Counting

Probability

Markov Chains

Data Description and Probability Distributions

Games and Decisions

Appendix A: Basic Algebra Review

Appendix B: Special Topics

Filters

Solve the problem. Express your answer as an integer or simplified fraction: - $Solve the problem. Express your answer as an integer or simplified fraction: -$

Solve the problem. Express your answer as an integer or simplified fraction: - $Solve the problem. Express your answer as an integer or simplified fraction: -$