Final
Part 1 of 15 – 4.0/ 4.0 Points
Question 1 of 254.0/ 4.0 Points
Find the missing coordinate so that the point (-5, ) is on the line y = 2x – 5.
A.The missing coordinate is -5.
B.The missing coordinate is 5.
C.The missing coordinate is -15.
D.None of these.
E.The missing coordinate is 0.
Part 2 of 15 – 8.0/ 12.0 Points
Question 2 of 254.0/ 4.0 Points
Find the missing coordinate to complete the ordered pair so that the point ( , 9) is on the line 3x + y = -3.
A.None of these.
B.4
C.-2
D.-24
E.-4
Question 3 of 250.0/ 4.0 Points
Find the slope of the line passing though the points (-1, -5) and (-2, -2).
A.None of these.
B.m = 3
C.m = 7/3
D.m = – 1/3
E.m = – 3
Question 4 of 254.0/ 4.0 Points
A ball is thrown straight up from an initial height of 112 feet with an initial speed of 96 feet per second. The graph shows the height, in feet, after t seconds.
Use the graph to determine the height of the ball after 1.5 seconds.
A.approximately 225 feet
B.approximately 200 feet
C.None of these.
D.approximately 150 feet
E.approximately 250 feet
Part 3 of 15 – 4.0/ 4.0 Points
Question 5 of 254.0/ 4.0 Points
Write a general formula to describe the variation if v varies directly with t and v = .4 when t = . 2.
A.v = t + .2
B.v = 2t
C.
D.
E.None of these
Part 4 of 15 – 4.0/ 4.0 Points
Question 6 of 254.0/ 4.0 Points
Choose the equation of the line with a slope of 2/3 and a y-intercept of (0, 2).
A.3x – 2y = – 6
B.2x – 3y = – 2
C.3x – 2y = – 2
D.None of these.
E.2x – 3y = – 6
Part 5 of 15 – 8.0/ 12.0 Points
Question 7 of 254.0/ 4.0 Points
Choose the graph of the linear inequality:
A.
B.
C.None of these.
D.
E.
Question 8 of 250.0/ 4.0 Points
Choose the equation of a line passing through the point (2, 2) and perpendicular to the line:
A.
B.y = 5x – 12
C.None of these.
D.y = – 5x + 2
E.y = – 5x + 12
Question 9 of 254.0/ 4.0 Points
Evaluate the following expression if x = – 4:
A.- 39
B.41
C.- 87
D.89
E.None of these.
Part 6 of 15 – 4.0/ 4.0 Points
Question 10 of 254.0/ 4.0 Points
When making a telephone call using a calling card, a call lasting 6 minutes costs $2.75. A call lasting 16 minutes costs $6.75. Find a linear function that relates the cost, C, of a making a call to the length, x, of the call, treating length of the call as the independent variable.
A.C = -.4x – 12.25
B.None of these.
C.C = .4x + .35
D.C = -.4x + 5.15
E.C = -.4x – 9.25
Part 7 of 15 – 4.0/ 4.0 Points
Question 11 of 254.0/ 4.0 Points
True or false:
(4, -2) is a solution to the system of equations:
x + y = – 6
x – y = – 2
True
False
Part 8 of 15 – 8.0/ 12.0 Points
Question 12 of 254.0/ 4.0 Points
Choose the graph of this system of inequalities:
A.
B.None of these.
C.
D.
E.
Question 13 of 250.0/ 4.0 Points
Solve the following system of equations for x:
4x – 2y = 7
-8x + 4y = – 28
A.These equations represent the same line and there are infinite solutions.
B.These equations represent parallel lines and there is no solution.
C.None of these.
D.x = 2
E.x = 4/21
Question 14 of 254.0/ 4.0 Points
Solve the following system of equations for x:
x + 7y = 45
2x + 6y = 34
A.x = 4
B.x = – 4
C.None of these.
D.x = 8
E.x = – 5
Part 9 of 15 – 4.0/ 4.0 Points
Question 15 of 254.0/ 4.0 Points
Solve this system of equations for x:
A.x = 2
B.x = – 4
C.None of these.
D.x = 4
E.x = 3
Part 10 of 15 – 4.0/ 4.0 Points
Question 16 of 254.0/ 4.0 Points
Simplify:
A.None of these.
B.
C.
D.
E.
Part 11 of 15 – 12.0/ 12.0 Points
Question 17 of 254.0/ 4.0 Points
A ladder that is 17 feet long is 8 feet from the base of a wall. How far up the wall does the ladder reach?
A.approximately 18.79 feet
B.225 feet
C.3 feet
D.15 feet
E.None of these.
Question 18 of 254.0/ 4.0 Points
Multiply:
A.4
B.
C.22
D.10
E.None of these.
Question 19 of 254.0/ 4.0 Points
Determine the distance between the points (2, 5) and (7, 17).
A.The distance is 15 units.
B.The distance is 12/5 units.
C.The distance is 12 units.
D.The distance is 13 units.
E.None of these.
Part 12 of 15 – 4.0/ 4.0 Points
Question 20 of 254.0/ 4.0 Points
Rationalize the denominator:
A.
B.-28
C.
D.
E.None of these.
Part 13 of 15 – 4.0/ 4.0 Points
Question 21 of 254.0/ 4.0 Points
Solve for x:
A.{-7, 7}
B.{24.5}
C.None of these.
D.{-8, 8}
E.{7}
Part 14 of 15 – 12.0/ 12.0 Points
Question 22 of 254.0/ 4.0 Points
Solve for x:
A.{5, 13}
B.None of these.
C.{-13, -5}
D.{-7, 25}
E.No solution
Question 23 of 254.0/ 4.0 Points
Solve for x:
Choose the smaller of the two answers.
A.There is only one answer and it is -7.
B.There is no answer in the real numbers.
C.There is only one answer and it is 7.
D.The smaller answer is zero.
E.None of these.
Question 24 of 254.0/ 4.0 Points
Solve for x:
Choose the smaller of the two answers.
A.The smaller answer is 7.
B.The smaller answer is -4.
C.The smaller answer is 4.
D.None of these.
E.The smaller answer is -7.
Part 15 of 15 – 4.0/ 4.0 Points
Question 25 of 254.0/ 4.0 Points
The position of an object moving in a straight line is given by the following formula where s is in meters and t is the time in seconds the object has been in motion.
How long (to the nearest tenth) will it take the object to move 8 meters
A.Approximately 10.4 seconds
B.Approximately 2.9 seconds
C.Approximately 9.1 seconds
D.Approximately 5.9 seconds
E.None of these.
Select your paper details and see how much our professional writing services will cost.
Our custom human-written papers from top essay writers are always free from plagiarism.
Your data and payment info stay secured every time you get our help from an essay writer.
Your money is safe with us. If your plans change, you can get it sent back to your card.
We offer more than just hand-crafted papers customized for you. Here are more of our greatest perks.
Get instant answers to the questions that students ask most often.
See full FAQ