Question 1

Find an equation of the line having the specified slope and containing the indicated point. Write your answer in
slope-intercept form.
-m = 7; (-6, 0)

Accepted Answer

A)  y = 7x + 42 
B)  y = -7x + 38 
C)  y = 7x - 45 
D)  y = 7x - 43 
A)  y = 7x + 42 
B)  y = -7x + 38 
C)  y = 7x - 45 
D)  y = 7x - 43

Question 2

Solve the problem.
-In 1995 the United States recovered 27% of its municipal 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. Use this function to predict the percentage recycled in 2003.

Accepted Answer

A)  43% 
B)  39.4% 
C)  41.1% 
D)  44.7% 
A)  43% 
B)  39.4% 
C)  41.1% 
D)  44.7%

Question 3

Find an equation of the line containing the given pair of points
-(0, 0) and (2, -5)

Accepted Answer

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

Question 4

Tell whether the lines are "parallel", "perpendicular", or "neither."
-3x - 8y = -8 48x + 16y = -8

Accepted Answer

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

Question 5

Find an equation of the line containing the given pair of points
-(2, 0) and (0, -9)

Accepted Answer

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

Question 6

Determine the slope and the y-intercept.
-4x - 6y = -6

Accepted Answer

A)    y-intercept (0, 1) 
B)  Slope -1, y-intercept (0, 1) 
C)  Slope 1, y-intercept (0, -1) 
D)    , y-intercept (0, -1) 
A)    y-intercept (0, 1) 
B)  Slope -1, y-intercept (0, 1) 
C)  Slope 1, y-intercept (0, -1) 
D)    , y-intercept (0, -1)

Question 7

Determine the slope and the y-intercept.
-f(x) = -4x - 6

Accepted Answer

A)  Slope 4, y-intercept (0, -6) 
B)  Slope -6, y-intercept (0, 4) 
C)  Slope -4, y-intercept (0, -6) 
D)  Slope -6, y-intercept (0, -4) 
A)  Slope 4, y-intercept (0, -6) 
B)  Slope -6, y-intercept (0, 4) 
C)  Slope -4, y-intercept (0, -6) 
D)  Slope -6, y-intercept (0, -4)

Question 8

If possible, determine the slope.
-

Accepted Answer

A)    
B)  3 
C)  0 
D)  Not defined 
A)    
B)  3 
C)  0 
D)  Not defined

Question 9

Solve the problem.
-Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 779. Find a linear function, S(t), which fits this data, And which expresses score as a function of time. Use this function to predict an average score for persons taking A 53-hour review course. Round your answer to the tenths place.

Accepted Answer

A)  725.4 
B)  704.1 
C)  715.6 
D)  711.4 
A)  725.4 
B)  704.1 
C)  715.6 
D)  711.4

Question 10

Find the slope of the line containing the two given points.
-(7, 5) and (-2, 5)

Accepted Answer

A)    
B)  Undefined 
C)  0 
D)  2 
A)    
B)  Undefined 
C)  0 
D)  2

Question 11

Find the function value.
-Find f(2) when f(x) =   + 3x + 1.

Accepted Answer

A)  -3 
B)  9 
C)  11 
D)  -1 
A)  -3 
B)  9 
C)  11 
D)  -1

Question 12

Graph the function.
-

Accepted Answer

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

Question 13

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

Accepted Answer

A)  {-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5} 
B)    
C)    
D)    
A)  {-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5} 
B)    
C)    
D)

Question 14

Determine the slope and the y-intercept.
-y = -6.4x - 3

Accepted Answer

A)  Slope -3, y-intercept (0, -6.4) 
B)  Slope 6.4, y-intercept (0, -3) 
C)  Slope -3, y-intercept (0, 6.4) 
D)  Slope -6.4, y-intercept (0, -3) 
A)  Slope -3, y-intercept (0, -6.4) 
B)  Slope 6.4, y-intercept (0, -3) 
C)  Slope -3, y-intercept (0, 6.4) 
D)  Slope -6.4, y-intercept (0, -3)

Question 15

Graph using the slope and the y-intercept.
-5x + 3y = 15

Accepted Answer

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

Question 16

Find an equation of the line containing the given pair of points
-

Accepted Answer

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

Question 17

Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response.
-Without making a drawing, explain why the graph of the equation y = x - 5 passes through three quadrants.

Accepted Answer

When x < 0, then y < 0 and the graph con

Question 18

If possible, determine the slope.
-x = -4

Accepted Answer

A)  -4 
B)    
C)  0 
D)  Not defined 
A)  -4 
B)    
C)  0 
D)  Not defined

Question 19

Solve.
-Cars sold   Year Crafty Bill's Cool Car Sales opened as a used car sales lot in 1991. The graph shows the number of cars sold as a function
Of time. What is the approximate number of cars sold in 1993?

Accepted Answer

A)  150 cars 
B)  600 cars 
C)  750 cars 
D)  700 cars 
A)  150 cars 
B)  600 cars 
C)  750 cars 
D)  700 cars

Question 20

Find the intercepts and then graph the line.
-6x - 30y = 0

Accepted Answer

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

Find an equation of the line having the specified slope and containing the indicated point. Write your answer in slope-intercept form. -m = 7; (-6, 0)

Find an equation of the line containing the given pair of points -(0, 0) and (2, -5)

Tell whether the lines are "parallel", "perpendicular", or "neither." -3x - 8y = -8 48x + 16y = -8

Find an equation of the line containing the given pair of points -(2, 0) and (0, -9)

Determine the slope and the y-intercept. -4x - 6y = -6

Determine the slope and the y-intercept. -f(x) = -4x - 6

If possible, determine the slope. -

Find the slope of the line containing the two given points. -(7, 5) and (-2, 5)

Find the function value. -Find f(2) when f(x) = + 3x + 1.

Graph the function. -

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

Determine the slope and the y-intercept. -y = -6.4x - 3

Graph using the slope and the y-intercept. -5x + 3y = 15

Find an equation of the line containing the given pair of points -

Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. -Without making a drawing, explain why the graph of the equation y = x - 5 passes through three quadrants.

If possible, determine the slope. -x = -4

Solve. -Cars sold Year Crafty Bill's Cool Car Sales opened as a used car sales lot in 1991. The graph shows the number of cars sold as a function Of time. What is the approximate number of cars sold in 1993?

Find the intercepts and then graph the line. -6x - 30y = 0

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

Exam 8: Graphs, Functions, and Applications

Find an equation of the line having the specified slope and containing the indicated point. Write your answer in slope-intercept form. -m = 7; (-6, 0)

Find an equation of the line containing the given pair of points -(0, 0) and (2, -5)

Tell whether the lines are "parallel", "perpendicular", or "neither." -3x - 8y = -8 48x + 16y = -8

Find an equation of the line containing the given pair of points -(2, 0) and (0, -9)

Determine the slope and the y-intercept. -4x - 6y = -6

Determine the slope and the y-intercept. -f(x) = -4x - 6

If possible, determine the slope. -

Find the slope of the line containing the two given points. -(7, 5) and (-2, 5)

Find the function value. -Find f(2) when f(x) = + 3x + 1.

Graph the function. -

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

Determine the slope and the y-intercept. -y = -6.4x - 3

Graph using the slope and the y-intercept. -5x + 3y = 15

Find an equation of the line containing the given pair of points -

Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. -Without making a drawing, explain why the graph of the equation y = x - 5 passes through three quadrants.

If possible, determine the slope. -x = -4

Solve. -Cars sold Year Crafty Bill's Cool Car Sales opened as a used car sales lot in 1991. The graph shows the number of cars sold as a function Of time. What is the approximate number of cars sold in 1993?

Find the intercepts and then graph the line. -6x - 30y = 0

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