Question 1

Find the equation of the line that contains the two given points.

Accepted Answer

A)  3 y + 7 x = -26 
B)  7 x - 3 y = -26 
C)  3 y - 7 x = -26 
D)  3 y - 7 x = 44 
E)  3 y + 7 x = 44 
A)  3 y + 7 x = -26 
B)  7 x - 3 y = -26 
C)  3 y - 7 x = -26 
D)  3 y - 7 x = 44 
E)  3 y + 7 x = 44 C

Question 2

Since 1990, when the average monthly price for basic cable TV programming in one country was $15.91, the cost has risen by about $1.22 a year. Write an equation in slope-intercept form to predict cable TV costs in the future. Use t to represent time in years after 1990 and C to represent the average basic monthly cost.

Accepted Answer

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

Question 3

Specify the range for the relation. {(3, 2), (5, 7), (13, 10), (16, 19)}

Accepted Answer

A)  R = {3, 5, 13, 16} 
B)  R = {2, 19} 
C)  R = {2, 7, 10, 19} 
D)  R = {3, 5, 13, 16, 2, 7, 10, 19} 
E)  R = {3, 16} 
A)  R = {3, 5, 13, 16} 
B)  R = {2, 19} 
C)  R = {2, 7, 10, 19} 
D)  R = {3, 5, 13, 16, 2, 7, 10, 19} 
E)  R = {3, 16} C

Question 4

Tell whether the lines with the given slopes are parallel, perpendicular, or neither.

Accepted Answer

A)  perpendicular 
B)  parallel 
C)  neither 
A)  perpendicular 
B)  parallel 
C)  neither

Question 5

Use point-slope form to write an equation of the given line. Solve each equation for   .

Accepted Answer

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

Question 6

Find the equation of the line that contains the given point and has the given slope.

Accepted Answer

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

Question 7

The equation   can be used to convert from degrees in Celsius to degrees in Fahrenheit. Identify the graph of the equation.

Accepted Answer

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

Question 8

Graph the function and find its domain and range. f ( x ) = | x | - 2

Accepted Answer

A)    D = (-∞, ∞), R = (-2, ∞) 
B)    D = (-∞, ∞), R = (-∞, ∞) 
C)    D = (-∞, ∞), R = (-∞, -2) 
D)    D = (-∞, ∞), R = (-∞, 2) 
A)    D = (-∞, ∞), R = (-2, ∞) 
B)    D = (-∞, ∞), R = (-∞, ∞) 
C)    D = (-∞, ∞), R = (-∞, -2) 
D)    D = (-∞, ∞), R = (-∞, 2)

Question 9

The graph below gives the heart rate of a woman before, during, and after an aerobic workout. Use the graph to answer the question.   What was her heart rate before beginning the workout? __________ beats/min

Accepted Answer

The answer of The graph below gives the heart rate...

Question 10

Graph the equation.

Accepted Answer

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

Question 11

Find the equation of the line that contains the given point and has the given slope.

Accepted Answer

A)  x = 8 
B)  y = 8 
C)  x = -4 
D)  y = -4 
E)  y = -8 
A)  x = 8 
B)  y = 8 
C)  x = -4 
D)  y = -4 
E)  y = -8

Question 12

For a fixed rate and principal, the interest earned in a bank account paying simple interest varies directly with the length of time the principal is left on deposit. If an investment of $7,000 earns $700 in 2 years, how much will it earn in 8 years?

Accepted Answer

A)  $2,700 
B)  $2,850 
C)  $2,750 
D)  $2,900 
E)  $2,800 
A)  $2,700 
B)  $2,850 
C)  $2,750 
D)  $2,900 
E)  $2,800

Question 13

Find the slope m and the y -intercept of the line y = -3.575 + 3.7182 x

Accepted Answer

A)  m = 3.7182, y int = -3.575 
B)  m = -3.575; y int = 3.7182 
C)  m = -3.7182, y int = -3.575 
D)  m = 3.7182, y int = 0 
A)  m = 3.7182, y int = -3.575 
B)  m = -3.575; y int = 3.7182 
C)  m = -3.7182, y int = -3.575 
D)  m = 3.7182, y int = 0

Question 14

Find the equation of the line that contains the given point and has the given slope. Express equation in the form   , where A , B , and C are integers.

Accepted Answer

The answer of Find the equation of the line that...

Question 15

The graph shown gives the first-class postage rates in the year 1999 for mailing items weighing up to 5 ounces. According to the graph, which of the statements is incorrect? Weight (oz) and Postage Rate (cents)

Accepted Answer

A)  The postage cost for mailing a 2-ounce letter is 55 cents   . 
B)  The heaviest letter that could be mailed for 80 cents first class weighs 2 ounces. 
C)  The postage cost for mailing a 1-ounce letter is 33 cents. 
D)  The difference in postage for a 3.16-ounce letter and a 4.37-ounce letter is 20 cents   . 
E)  The postage cost for mailing a 4-ounce letter is $1.00. 
A)  The postage cost for mailing a 2-ounce letter is 55 cents   . 
B)  The heaviest letter that could be mailed for 80 cents first class weighs 2 ounces. 
C)  The postage cost for mailing a 1-ounce letter is 33 cents. 
D)  The difference in postage for a 3.16-ounce letter and a 4.37-ounce letter is 20 cents   . 
E)  The postage cost for mailing a 4-ounce letter is $1.00.

Question 16

Graph the function and find its domain and range.

Accepted Answer

A)    domain:   ; range:   
B)    domain:   ; range:   
C)    domain:   ; range:   
D)    domain:   ; range:   
A)    domain:   ; range:   
B)    domain:   ; range:   
C)    domain:   ; range:   
D)    domain:   ; range:

Question 17

If the ratio of rise to run is to be   for some stairs and the measure of the run is 29 centimeters, find the measure of the rise to the nearest centimeter.

Accepted Answer

A)  160 cm 
B)  4 cm 
C)  5 cm 
D)  15 cm 
E)  20 cm 
A)  160 cm 
B)  4 cm 
C)  5 cm 
D)  15 cm 
E)  20 cm

Question 18

If you have the following function f ( x ) = 2 x + 7, compute f (0), f (-4), f (5), f (-9).

Accepted Answer

A)  f (0) = 10, f (-4) = -3, f (5) = 20, f (-9) = -13 
B)  f (0) = 7, f (-4) = -1, f (5) = 17, f (-9) = -11 
C)  f (0) = 6, f (-4) = -0, f (5) = 16, f (-9) = -10 
D)  f (0) = 8, f (-4) = -2, f (5) = 18, f (-9) = -12 
E)  f (0) = -7, f (-4) = 1, f (5) = - 17, f (-9) = 11 
A)  f (0) = 10, f (-4) = -3, f (5) = 20, f (-9) = -13 
B)  f (0) = 7, f (-4) = -1, f (5) = 17, f (-9) = -11 
C)  f (0) = 6, f (-4) = -0, f (5) = 16, f (-9) = -10 
D)  f (0) = 8, f (-4) = -2, f (5) = 18, f (-9) = -12 
E)  f (0) = -7, f (-4) = 1, f (5) = - 17, f (-9) = 11

Question 19

Graph the linear equation.

Accepted Answer

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

Question 20

Tell whether the equation determines y to be a function of x .

Accepted Answer

A)  no 
B)  yes 
A)  no 
B)  yes

Find the equation of the line that contains the two given points.

Specify the range for the relation. {(3, 2), (5, 7), (13, 10), (16, 19)}

Tell whether the lines with the given slopes are parallel, perpendicular, or neither.

Use point-slope form to write an equation of the given line. Solve each equation for .

Find the equation of the line that contains the given point and has the given slope.

The equation can be used to convert from degrees in Celsius to degrees in Fahrenheit. Identify the graph of the equation.

Graph the function and find its domain and range. f ( x ) = | x | - 2

The graph below gives the heart rate of a woman before, during, and after an aerobic workout. Use the graph to answer the question. What was her heart rate before beginning the workout? __________ beats/min

Graph the equation.

Find the equation of the line that contains the given point and has the given slope.

For a fixed rate and principal, the interest earned in a bank account paying simple interest varies directly with the length of time the principal is left on deposit. If an investment of $7,000 earns $700 in 2 years, how much will it earn in 8 years?

Find the slope m and the y -intercept of the line y = -3.575 + 3.7182 x

Find the equation of the line that contains the given point and has the given slope. Express equation in the form , where A , B , and C are integers.

The graph shown gives the first-class postage rates in the year 1999 for mailing items weighing up to 5 ounces. According to the graph, which of the statements is incorrect? Weight (oz) and Postage Rate (cents)

Graph the function and find its domain and range.

If the ratio of rise to run is to be for some stairs and the measure of the run is 29 centimeters, find the measure of the rise to the nearest centimeter.

If you have the following function f ( x ) = 2 x + 7, compute f (0), f (-4), f (5), f (-9).

Graph the linear equation.

Tell whether the equation determines y to be a function of x .

Real Numbers and Their Basic Properties

Equations and Inequalities

Polynomials

Factoring Polynomials and Solving Equations by Factoring

Rational Expressions and Equations; Ratio and Proportion

Systems of Linear Equations and Inequalities in Two Variables

Roots, Radical Expressions, and Radical Equations

Quadratic Equations, Quadratic Functions, and Complex Numbers

Filters

Exam 3: Graphs; Equations of Lines; Functions; Variation

Find the equation of the line that contains the two given points.

Specify the range for the relation. {(3, 2), (5, 7), (13, 10), (16, 19)}

Tell whether the lines with the given slopes are parallel, perpendicular, or neither.

Use point-slope form to write an equation of the given line. Solve each equation for .

Find the equation of the line that contains the given point and has the given slope.

The equation can be used to convert from degrees in Celsius to degrees in Fahrenheit. Identify the graph of the equation.

Graph the function and find its domain and range. f ( x ) = | x | - 2

The graph below gives the heart rate of a woman before, during, and after an aerobic workout. Use the graph to answer the question. What was her heart rate before beginning the workout? __________ beats/min

Graph the equation.

Find the equation of the line that contains the given point and has the given slope.

For a fixed rate and principal, the interest earned in a bank account paying simple interest varies directly with the length of time the principal is left on deposit. If an investment of $7,000 earns $700 in 2 years, how much will it earn in 8 years?

Find the slope m and the y -intercept of the line y = -3.575 + 3.7182 x

Find the equation of the line that contains the given point and has the given slope. Express equation in the form , where A , B , and C are integers.

The graph shown gives the first-class postage rates in the year 1999 for mailing items weighing up to 5 ounces. According to the graph, which of the statements is incorrect? Weight (oz) and Postage Rate (cents)

Graph the function and find its domain and range.

If the ratio of rise to run is to be for some stairs and the measure of the run is 29 centimeters, find the measure of the rise to the nearest centimeter.

If you have the following function f ( x ) = 2 x + 7, compute f (0), f (-4), f (5), f (-9).

Graph the linear equation.

Tell whether the equation determines y to be a function of x .

Real Numbers and Their Basic Properties

Equations and Inequalities

Polynomials

Factoring Polynomials and Solving Equations by Factoring

Rational Expressions and Equations; Ratio and Proportion

Systems of Linear Equations and Inequalities in Two Variables

Roots, Radical Expressions, and Radical Equations

Quadratic Equations, Quadratic Functions, and Complex Numbers

Filters