Question 1

If possible, determine the slope.
-8 · f(x) - 6 = 0

Accepted Answer

A)  Not defined 
B)    
C)    
D)  0 
A)  Not defined 
B)    
C)    
D)  0

Question 2

A function f is depicted in the graph. Find any input values that produce the indicated output.
-f(x) = 2

Accepted Answer

A)  0 
B)  1 
C)  3 
D)  -1 
A)  0 
B)  1 
C)  3 
D)  -1

Question 3

Solve the problem.
-The function F described by F(C) =   + 32 gives the Fahrenheit temperature corresponding to the Celsius temperature C. Find the Fahrenheit temperature equivalent to 20 °C.

Accepted Answer

A)  104 °F 
B)  140 °F 
C)  68 °F 
D)  176 °F 
A)  104 °F 
B)  140 °F 
C)  68 °F 
D)  176 °F

Question 4

Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response.
-If one line has a slope of -3 and another line has a slope of -6, which line is steeper? Why?

Accepted Answer

The line with a slope of -6 is

Question 5

Graph the function.
-

Accepted Answer

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

Question 6

Tell whether the lines are "parallel", "perpendicular", or "neither."
-3x - 8y = 9 32x + 12y = 9

Accepted Answer

A)  Parallel 
B)  Neither 
C)  Perpendicular 
A)  Parallel 
B)  Neither 
C)  Perpendicular

Question 7

Determine the slope and the y-intercept.
-y = -0.125x + 0.4

Accepted Answer

A)  Slope -0.125, y-intercept (0, -0.4) 
B)  Slope 0.4, y-intercept (0, -0.125) 
C)  Slope -0.125, y-intercept (0, 0.4) 
D)  Slope 0.125, y-intercept (0, 0.4) 
A)  Slope -0.125, y-intercept (0, -0.4) 
B)  Slope 0.4, y-intercept (0, -0.125) 
C)  Slope -0.125, y-intercept (0, 0.4) 
D)  Slope 0.125, y-intercept (0, 0.4)

Question 8

Find the slope (or rate of change). Use appropriate units.
-Monthly   Cellular Phone Charge in Dollars Minutes Cellular Phone is Used

Accepted Answer

A)  $2.75 per minute 
B)  $0.83 per minute 
C)  $1.20 per minute 
D)  $0.22 per minute 
A)  $2.75 per minute 
B)  $0.83 per minute 
C)  $1.20 per minute 
D)  $0.22 per minute

Question 9

Find a linear function whose graph has the given slope and y-intercept.
-Slope   , y-intercept (0, 4)

Accepted Answer

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

Question 10

Find the intercepts and then graph the line.
-

Accepted Answer

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

Question 11

Solve the problem.
-In 1995 the United States recovered 23% of its municipal solid wastes through recycling, up from 17% in 1990. Let P represent the percentage recycled and t the number of years since 1990. Find a linear function P(t) that fits This data.

Accepted Answer

A)  P(t) = 1.2t + 24 
B)  P(t) = -1.2t + 7 
C)  P(t) = 0.6t - 17 
D)  P(t) = 1.2t + 17 
A)  P(t) = 1.2t + 24 
B)  P(t) = -1.2t + 7 
C)  P(t) = 0.6t - 17 
D)  P(t) = 1.2t + 17

Question 12

Solve.
-The graph shows the relationship between the area A of a rectangle and the length L, if the width is fixed. Find the area if the length is 11 cm.
Area     Length (in cm)

Accepted Answer

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

Question 13

Solve the problem.
-A gas station sells 4820 gallons of regular unleaded gasoline in a day when they charge $1.35 per gallon, whereas they sell 3900 gallons on a day that they charge $1.40 per gallon. Find a linear function that expresses Gallons sold as a function of price. Use this function to predict the number of gallons sold at a price of $1.20 per Gallon.

Accepted Answer

A)  7584.1 gallons 
B)  7576.7 gallons 
C)  7589 gallons 
D)  7580 gallons 
A)  7584.1 gallons 
B)  7576.7 gallons 
C)  7589 gallons 
D)  7580 gallons

Question 14

Find an equation of the line having the specified slope and containing the indicated point. Write your answer in
slope-intercept form.
-m = 8; (0, -7)

Accepted Answer

A)  y = 8x - 7 
B)  y = -8x - 5 
C)  y = 8x + 7 
D)  y = 8x + 9 
A)  y = 8x - 7 
B)  y = -8x - 5 
C)  y = 8x + 7 
D)  y = 8x + 9

Question 15

Is the following correspondence a function?
-

Accepted Answer

A) True 
 B)False

Question 16

Find a linear function whose graph has the given slope and y-intercept.
-Slope   y-intercept (0, -3)

Accepted Answer

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

Question 17

Find the slope of the line containing the two given points.
-(-8.5, -18.4) and (16.9, 9.7)

Accepted Answer

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

Question 18

For the function represented in the graph, determine the domain or range, as requested.
-Find the domain.

Accepted Answer

A)    
B)    
C)    
D)  all real numbers 
A)    
B)    
C)    
D)  all real numbers

Question 19

Find the slope (or rate of change). Use appropriate units.
-Find the slope (or pitch) of the roof.

Accepted Answer

A)  4.89% 
B)  20.5% 
C)  0.2% 
D)  488.9% 
A)  4.89% 
B)  20.5% 
C)  0.2% 
D)  488.9%

Question 20

Is the following correspondence a function?
-

Accepted Answer

A) True 
 B)False

If possible, determine the slope. -8 · f(x) - 6 = 0

A function f is depicted in the graph. Find any input values that produce the indicated output. -f(x) = 2

Solve the problem. -The function F described by F(C) = + 32 gives the Fahrenheit temperature corresponding to the Celsius temperature C. Find the Fahrenheit temperature equivalent to 20 °C.

Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. -If one line has a slope of -3 and another line has a slope of -6, which line is steeper? Why?

Graph the function. -

Tell whether the lines are "parallel", "perpendicular", or "neither." -3x - 8y = 9 32x + 12y = 9

Determine the slope and the y-intercept. -y = -0.125x + 0.4

Find the slope (or rate of change). Use appropriate units. -Monthly Cellular Phone Charge in Dollars Minutes Cellular Phone is Used

Find a linear function whose graph has the given slope and y-intercept. -Slope , y-intercept (0, 4)

Find the intercepts and then graph the line. -

Solve the problem. -In 1995 the United States recovered 23% of its municipal solid wastes through recycling, up from 17% in 1990. Let P represent the percentage recycled and t the number of years since 1990. Find a linear function P(t) that fits This data.

Solve. -The graph shows the relationship between the area A of a rectangle and the length L, if the width is fixed. Find the area if the length is 11 cm. Area Length (in cm)

Find an equation of the line having the specified slope and containing the indicated point. Write your answer in slope-intercept form. -m = 8; (0, -7)

Is the following correspondence a function? -

Find a linear function whose graph has the given slope and y-intercept. -Slope y-intercept (0, -3)

Find the slope of the line containing the two given points. -(-8.5, -18.4) and (16.9, 9.7)

For the function represented in the graph, determine the domain or range, as requested. -Find the domain.

Find the slope (or rate of change). Use appropriate units. -Find the slope (or pitch) of the roof.

Is the following correspondence a function? -

Introduction

Introduction to Real Numbers and Algebraic Expressions

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Rational Expressions and Equations

Systems of Equations

More on Inequalities

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Calculating Means and Medians of Data Sets

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Exam 8: Graphs, Functions, and Applications

If possible, determine the slope. -8 · f(x) - 6 = 0

A function f is depicted in the graph. Find any input values that produce the indicated output. -f(x) = 2

Solve the problem. -The function F described by F(C) = + 32 gives the Fahrenheit temperature corresponding to the Celsius temperature C. Find the Fahrenheit temperature equivalent to 20 °C.

Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. -If one line has a slope of -3 and another line has a slope of -6, which line is steeper? Why?

Graph the function. -

Tell whether the lines are "parallel", "perpendicular", or "neither." -3x - 8y = 9 32x + 12y = 9

Determine the slope and the y-intercept. -y = -0.125x + 0.4

Find the slope (or rate of change). Use appropriate units. -Monthly Cellular Phone Charge in Dollars Minutes Cellular Phone is Used

Find a linear function whose graph has the given slope and y-intercept. -Slope , y-intercept (0, 4)

Find the intercepts and then graph the line. -

Solve the problem. -In 1995 the United States recovered 23% of its municipal solid wastes through recycling, up from 17% in 1990. Let P represent the percentage recycled and t the number of years since 1990. Find a linear function P(t) that fits This data.

Solve. -The graph shows the relationship between the area A of a rectangle and the length L, if the width is fixed. Find the area if the length is 11 cm. Area Length (in cm)

Find an equation of the line having the specified slope and containing the indicated point. Write your answer in slope-intercept form. -m = 8; (0, -7)

Is the following correspondence a function? -

Find a linear function whose graph has the given slope and y-intercept. -Slope y-intercept (0, -3)

Find the slope of the line containing the two given points. -(-8.5, -18.4) and (16.9, 9.7)

For the function represented in the graph, determine the domain or range, as requested. -Find the domain.

Find the slope (or rate of change). Use appropriate units. -Find the slope (or pitch) of the roof.

Is the following correspondence a function? -

Introduction

Introduction to Real Numbers and Algebraic Expressions

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Rational Expressions and Equations

Systems of Equations

More on Inequalities

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Calculating Means and Medians of Data Sets

Filters