Question 1

Write an equation of the line with the indicated slope and y intercept:
-Slope = -3, y intercept = 5

Accepted Answer

A)  y = 5x - 3 
B)  y = 3x + 5 
C)  y = -3x - 5 
D)  y = -3x + 5 
A)  y = 5x - 3 
B)  y = 3x + 5 
C)  y = -3x - 5 
D)  y = -3x + 5

Question 2

Use the graph to find the slope-intercept form of the equation of the line.

Accepted Answer

A)  y = x + 3 
B)  y = -x + 3 
C)  y = x - 3 
D)  y = 3x 
A)  y = x + 3 
B)  y = -x + 3 
C)  y = x - 3 
D)  y = 3x

Question 3

Solve the formula for the specified variable:
-Solve:

Accepted Answer

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

Question 4

Write the equation of a line that passes through (3, 9) and (0, -7). Write the final answer in the form   where A, B, and C are integers with no common divisors (other than ±1) and

Accepted Answer

A)  16x - 3y = -21 
B)  16x - 3y = 21 
C)  -16x + 3y = 21 
D)  3x - 16y = 21 
A)  16x - 3y = -21 
B)  16x - 3y = 21 
C)  -16x + 3y = 21 
D)  3x - 16y = 21

Question 5

Write an equation of the line with the indicated slope and y intercept:
-Slope = 2, y intercept = -4

Accepted Answer

A)  y = 2x - 4 
B)  y = 4x + 2 
C)  y = -2x - 4 
D)  y = 4x - 2 
A)  y = 2x - 4 
B)  y = 4x + 2 
C)  y = -2x - 4 
D)  y = 4x - 2

Question 6

Use the REGRESSION feature on a graphing calculator:
-In the table below, x represents the number of years since 2000 and y represents sales (in thousands of dollars) of a clothing company. Use the regression equation to estimate sales in the year 2006. Round to the nearest thousand dollars.

Accepted Answer

A)  $8,000 
B)  $20,000 
C)  $14,000 
D)  $2,000 
A)  $8,000 
B)  $20,000 
C)  $14,000 
D)  $2,000

Question 7

A piece of equipment was purchased by a company for $10,000 and is assumed to have a salvage value of $3,000 in 10 years. If its value is depreciated linearly from $10,000 to $3,000, find a linear equation in the form V = mt + b, t time in years, that will give the salvage value at any time t,

Accepted Answer

A)  V = 700t + 10,000 
B)  V = - 700t - 10,000 
C)  T = - 700V + 10,000 
D)  V = - 700t + 10,000 
A)  V = 700t + 10,000 
B)  V = - 700t - 10,000 
C)  T = - 700V + 10,000 
D)  V = - 700t + 10,000

Question 8

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

Accepted Answer

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

Question 9

Write an equation of the line with the indicated slope and y intercept:
-Slope = 1; y intercept = -5

Accepted Answer

A)  y = -5x + 1 
B)  y = -x - 5 
C)  y = x - 5 
D)  y = -5x - 1 
A)  y = -5x + 1 
B)  y = -x - 5 
C)  y = x - 5 
D)  y = -5x - 1

Question 10

Use the REGRESSION feature on a graphing calculator:
-For some reason the quality of production decreased as the year progressed at a flash drive manufacturing plant. The following data represent the percentage of defective flash drives produced at the plant in the corresponding month of the year.
 
Use the regression equation with values rounded to four decimals to predict the percentage of defective drives in month 6, June.

Accepted Answer

A)  2.20% 
B)  2.3% 
C)  2.15% 
D)  2.0% 
A)  2.20% 
B)  2.3% 
C)  2.15% 
D)  2.0%

Question 11

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

Accepted Answer

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

Question 12

Find the slope of the line 3x + 4y = 11.

Accepted Answer

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

Question 13

Suppose the sales of a particular brand of MP3 player satisfy the relationship   , where S represents the number of sales in year x, with   corresponding to 2002 . Find the number of sales in 2005.

Accepted Answer

A)  12,600 
B)  6400 
C)  4400 
D)  4200 
A)  12,600 
B)  6400 
C)  4400 
D)  4200

Question 14

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

Accepted Answer

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

Question 15

Use the graph to find the average rate of change:
-

Accepted Answer

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

Question 16

Find the slope and y intercept of the graph of the equation:
-y = x + 3

Accepted Answer

A)  Slope = 3; y intercept = 1 
B)  Slope = 1; y intercept = 3 
C)  Slope = 0; y intercept = -3 
D)  Slope = 3; y intercept = -1 
A)  Slope = 3; y intercept = 1 
B)  Slope = 1; y intercept = 3 
C)  Slope = 0; y intercept = -3 
D)  Slope = 3; y intercept = -1

Question 17

Find the standard form of the equation of the line with slope of -   and passing through (4, 4).

Accepted Answer

A)  2x + 7y = - 36 
B)  2x + 7y = 36 
C)  7x + 2y = - 36 
D)  2x - 7y = 36 
A)  2x + 7y = - 36 
B)  2x + 7y = 36 
C)  7x + 2y = - 36 
D)  2x - 7y = 36

Question 18

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

Accepted Answer

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

Question 19

Use the REGRESSION feature on a graphing calculator:
-Efficiency experts rate employees according to job performance and attitude. The results for several randomly selected employees are given below.
 
Find the regression line which can be used to predict performance rating if attitude rating is known.

Accepted Answer

A)  y = 11.7 + 1.02x 
B)  y = 92.3 - 0.669x 
C)  y = 2.81 + 1.35x 
D)  y = -47.3 + 2.02x 
A)  y = 11.7 + 1.02x 
B)  y = 92.3 - 0.669x 
C)  y = 2.81 + 1.35x 
D)  y = -47.3 + 2.02x

Question 20

Use the graph to find the average rate of change:
-

Accepted Answer

A)  1 
B)  -4 
C)  -1 
D)  4 
A)  1 
B)  -4 
C)  -1 
D)  4

Write an equation of the line with the indicated slope and y intercept: -Slope = -3, y intercept = 5

Use the graph to find the slope-intercept form of the equation of the line.

Solve the formula for the specified variable: -Solve:

Write the equation of a line that passes through (3, 9) and (0, -7). Write the final answer in the form where A, B, and C are integers with no common divisors (other than ±1) and

Write an equation of the line with the indicated slope and y intercept: -Slope = 2, y intercept = -4

Use the REGRESSION feature on a graphing calculator: -In the table below, x represents the number of years since 2000 and y represents sales (in thousands of dollars) of a clothing company. Use the regression equation to estimate sales in the year 2006. Round to the nearest thousand dollars.

A piece of equipment was purchased by a company for $10,000 and is assumed to have a salvage value of $3,000 in 10 years. If its value is depreciated linearly from $10,000 to $3,000, find a linear equation in the form V = mt + b, t time in years, that will give the salvage value at any time t,

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

Write an equation of the line with the indicated slope and y intercept: -Slope = 1; y intercept = -5

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

Find the slope of the line 3x + 4y = 11.

Suppose the sales of a particular brand of MP3 player satisfy the relationship , where S represents the number of sales in year x, with corresponding to 2002 . Find the number of sales in 2005.

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

Use the graph to find the average rate of change: -

Find the slope and y intercept of the graph of the equation: -y = x + 3

Find the standard form of the equation of the line with slope of - and passing through (4, 4).

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

Use the graph to find the average rate of change: -

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

Write an equation of the line with the indicated slope and y intercept: -Slope = -3, y intercept = 5

Use the graph to find the slope-intercept form of the equation of the line.

Solve the formula for the specified variable: -Solve:

Write the equation of a line that passes through (3, 9) and (0, -7). Write the final answer in the form where A, B, and C are integers with no common divisors (other than ±1) and

Write an equation of the line with the indicated slope and y intercept: -Slope = 2, y intercept = -4

Use the REGRESSION feature on a graphing calculator: -In the table below, x represents the number of years since 2000 and y represents sales (in thousands of dollars) of a clothing company. Use the regression equation to estimate sales in the year 2006. Round to the nearest thousand dollars.

A piece of equipment was purchased by a company for $10,000 and is assumed to have a salvage value of $3,000 in 10 years. If its value is depreciated linearly from $10,000 to $3,000, find a linear equation in the form V = mt + b, t time in years, that will give the salvage value at any time t,

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

Write an equation of the line with the indicated slope and y intercept: -Slope = 1; y intercept = -5

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

Find the slope of the line 3x + 4y = 11.

Suppose the sales of a particular brand of MP3 player satisfy the relationship , where S represents the number of sales in year x, with corresponding to 2002 . Find the number of sales in 2005.

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

Use the graph to find the average rate of change: -

Find the slope and y intercept of the graph of the equation: -y = x + 3

Find the standard form of the equation of the line with slope of - and passing through (4, 4).

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

Use the graph to find the average rate of change: -

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