Question 1

Graph using the slope and the y-intercept.
-9 · f(x) = 6x - 27

Accepted Answer

A)   
B)   
C)   
D)

Question 2

Tell whether the lines are "parallel", "perpendicular", or "neither."
-6x + 2y = 8 18x + 6y = 27

Accepted Answer

A)  Neither 
B)  Parallel 
C)  Perpendicular

Question 3

Find the slope of the line containing the two given points.
-(3, 4) and (7, 6)

Accepted Answer

A)  1 
B)  2 
C)   
D)

Question 4

Graph the function.
-

Accepted Answer

A)   
B)   
C)   
D)

Question 5

Find an equation of the line having the specified slope and containing the indicated point. Write your answer in
slope-intercept form.
-m = -4; (-7, 6)

Accepted Answer

A)  y = -4x - 30 
B)  y = -4x - 23 
C)  y = -4x - 22 
D)  y = 4x - 24

Question 6

Graph the function.
-

Accepted Answer

A)   
B)   
C)   
D)

Question 7

Find the domain.
-

Accepted Answer

A)   
B)   
C)  All real numbers 
D)

Question 8

Graph the function.
-

Accepted Answer

A)   
B)   
C)   
D)

Question 9

Graph.
-x = -3

Accepted Answer

A)   
B)   
C)   
D)

Question 10

Write an equation of the line described.
-Through (7, 1), parallel to -8x + 7y = -28

Accepted Answer

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

Question 11

Find the slope (or rate of change). Use appropriate units.
-Distance  Traveled In Miles Number of Hours Spent Traveling

Accepted Answer

A)  3.0 miles per hour 
B)  5.0 miles per hour 
C)  0.2 miles per hour 
D)  0.3 miles per hour

Question 12

Graph using the slope and the y-intercept.
-

Accepted Answer

A)   
B)   
C)   
D)

Question 13

Find the slope of the line.
-

Accepted Answer

A)   
B)  -3 
C)   
D)  3

Question 14

Solve the problem.
-The total sales made by a salesperson was $25,000 after 3 months and $68,000 after 23 months. Predict the total sales after 30 months.

Accepted Answer

A)  $83,150 
B)  $83,020 
C)  $83,050 
D)  $83,092

Question 15

A function f is depicted in the graph. Find any input values that produce the indicated output.
-f(x) = -1

Accepted Answer

A)  -4 
B)  4, -2 
C)  -6, 4 
D)  -4, 2

Question 16

Write an equation of the line described.
-Through (-2, -15), parallel to -5x - 9y = 82

Accepted Answer

A)   
B)   
C)   
D)

Question 17

Graph the function.
-

Accepted Answer

A)   
B)   
C)   
D)

Question 18

If possible, determine the slope.
-7 - 3x = 5 - 2x

Accepted Answer

A)  Not defined 
B)  0 
C)  - 2 
D)  2

Question 19

Determine whether the graph is the graph of a function.
-

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

A)   
B)   
C)   
D)

Exam 8: Graphs, Functions, and Applications

Graph using the slope and the y-intercept. -9 · f(x) = 6x - 27

Tell whether the lines are "parallel", "perpendicular", or "neither." -6x + 2y = 8 18x + 6y = 27

Find the slope of the line containing the two given points. -(3, 4) and (7, 6)

Graph the function. -

Find an equation of the line having the specified slope and containing the indicated point. Write your answer in slope-intercept form. -m = -4; (-7, 6)

Graph the function. -

Find the domain. -

Graph the function. -

Graph. -x = -3

Write an equation of the line described. -Through (7, 1) , parallel to -8x + 7y = -28

Find the slope (or rate of change) . Use appropriate units. -Distance Traveled In Miles Number of Hours Spent Traveling

Graph using the slope and the y-intercept. -

Find the slope of the line. -

Solve the problem. -The total sales made by a salesperson was $25,000 after 3 months and $68,000 after 23 months. Predict the total sales after 30 months.

A function f is depicted in the graph. Find any input values that produce the indicated output. -f(x) = -1

Write an equation of the line described. -Through (-2, -15) , parallel to -5x - 9y = 82

Graph the function. -

If possible, determine the slope. -7 - 3x = 5 - 2x

Determine whether the graph is the graph of a function. -

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