APU MATH 110 FINAL EXAM

FinalPart 1 of 15 – 4.0/ 4.0 PointsQuestion 1 of 25 4.0/ 4.0 PointsFind 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 PointsQuestion 2 of 25 4.0/ 4.0 PointsFind 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 25 0.0/ 4.0 PointsFind 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 25 4.0/ 4.0 PointsA 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 PointsQuestion 5 of 25 4.0/ 4.0 PointsWrite 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 PointsQuestion 6 of 25 4.0/ 4.0 PointsChoose 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 PointsQuestion 7 of 25 4.0/ 4.0 PointsChoose the graph of the linear inequality: A. B. C.None of these. D. E.Question 8 of 25 0.0/ 4.0 PointsChoose 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 25 4.0/ 4.0 PointsEvaluate 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 PointsQuestion 10 of 25 4.0/ 4.0 PointsWhen 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 PointsQuestion 11 of 25 4.0/ 4.0 PointsTrue or false:(4, -2) is a solution to the system of equations:x + y = – 6x – y = – 2 True FalsePart 8 of 15 – 8.0/ 12.0 PointsQuestion 12 of 25 4.0/ 4.0 PointsChoose the graph of this system of inequalities: A. B.None of these. C. D. E.Question 13 of 25 0.0/ 4.0 PointsSolve 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 25 4.0/ 4.0 PointsSolve the following system of equations for x:x + 7y = 452x + 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 PointsQuestion 15 of 25 4.0/ 4.0 PointsSolve 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 PointsQuestion 16 of 25 4.0/ 4.0 PointsSimplify: A.None of these. B. C. D. E. Part 11 of 15 – 12.0/ 12.0 PointsQuestion 17 of 25 4.0/ 4.0 PointsA 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 25 4.0/ 4.0 PointsMultiply: A.4 B. C.22 D.10 E.None of these. Question 19 of 25 4.0/ 4.0 PointsDetermine 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 PointsQuestion 20 of 25 4.0/ 4.0 PointsRationalize the denominator: A. B.-28 C. D. E.None of these. Part 13 of 15 – 4.0/ 4.0 PointsQuestion 21 of 25 4.0/ 4.0 PointsSolve 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 PointsQuestion 22 of 25 4.0/ 4.0 PointsSolve for x: A.{5, 13} B.None of these. C.{-13, -5} D.{-7, 25} E.No solution Question 23 of 25 4.0/ 4.0 PointsSolve 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 25 4.0/ 4.0 PointsSolve 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 PointsQuestion 25 of 25 4.0/ 4.0 PointsThe 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.