1 1. Solve the system of equations by substitution. x = 2, y = 8; (2, 8) x = 3, y = 9; (3, 9) x = 2, y = 9; (2, 9) x = 3, y = 8; (3, 8) 2 points QUESTION 2 1. Solve the problem. A group of 12 friends goes bowling. How many different possibilities are there for the order in which they play if the youngest person is to bowl first? 11 12 479,001, 600 39,916,8 00 2 points QUESTION 3 1. Use a table and/or a graph to decide whether the limit exists. If it exists, find its value. 0 4 Does not exist 8 2 points QUESTION 4 1. Find the domain of the function. all real numbers {x|x 6} {x|x 6} {x|x > 6} 2 points QUESTION 5 1. Find the sum. (-6) + (-1) + 4 + 9 + ... + 39 16 0 33 0 17 0 16 5 2 points QUESTION 6 1. Use a table and/or a graph to decide whether the limit exists. If it exists, find its value. Does not exist 4 0 -4 2 points QUESTION 7 1. Solve the system of equations by elimination. x = 5, y = -5; (5, -5) x = -6, y = 5; (-6, 5) x = -5, y = 5; (-5, 5) x = 11, y = -11; (11, -11) 2 points QUESTION 8 1. Find the exact value. Do not use a calculator. sin (- ) 0 -1 1 undefine d 2 points QUESTION 9 1. Find the sum. 1262 .5 1075 1175 1037 .5 2 points QUESTION 10 1. Solve the system of equations by substitution. x = -3, y = 0; (-3, 0) x = -3, y = 3; (- 3, 3) x = 3, y = -3; (3, -3) x = -3, y = -3; (-3, -3) 2 points QUESTION 11 1. Solve the problem. Two 6-sided dice are rolled. What is the probability the sum of the two numbers on the dice will be 4? 3 2 points QUESTION 12 1. Solve the system of equations by elimination. x = -4, y = 0; (-4, 0) x = 0, y (0, -4) x = -4; = 4, y = 0; (4, 0) x = 0, y = 4; (0, 4) 2 points QUESTION 13 1. Find the standard form of the equation of the hyperbola satisfying the given conditions. Endpoints of transverse axis: (0, -10), (0, 10); asymptote: y= x - = - = - = - = 1 1 1 1 2 points QUESTION 14 1. Solve the problem. How many different license plates can be made using 3 letters followed by 3 digits selected from the digits 0 through 9, if digits may be repeated but letters may not be repeated? 17,576,0 00 15,600,0 00 3095.23 81 12,654,7 20 2 points QUESTION 15 1. Solve the problem. 12 different books are to be arranged on a shelf. How many different arrangements are possible? 479,001, 600 12 39,916,8 00 239,500, 800 2 points QUESTION 16 1. Find the domain of the function. h(x) {x|x 0} {x|x -8, = 0, 8} all real numbers {x|x 2} 2 points QUESTION 17 1. Solve the problem. In how many ways can 7 people each have different birth months? 35,831,8 08 84 792 3,991,68 0 2 points QUESTION 18 1. Find the sum. 2 + 4 + 6 + ... + 582 84,9 72 84,6 81 85,2 64 84,3 90 2 points QUESTION 19 1. Find the sum. 1 + 3 + 5 + ... + 1153 332,9 29 331,7 76 333,5 06 334,0 84 2 points QUESTION 20 1. Find the exact value. Do not use a calculator. cos 1 0 -1 undefine d 2 points QUESTION 21 1. Perform the indicated operations and simplify. Let A = ,B = , and C = . Find AB + BC. 2 points QUESTION 22 1. Find the standard form of the equation of the hyperbola satisfying the given conditions. Foci: (0, -10), (0, 10); vertices: (0, -6), (0, 6) - = - = - = - = 1 1 1 1 2 points QUESTION 23 1. Perform the indicated operation(s), whenever possible. Let A = and B = . Find A + B. 2 points QUESTION 24 1. Find the exact value. Do not use a calculator. tan (-) -1 1 0 undefine d 2 points QUESTION 25 1. Perform the indicated operation(s), whenever possible. Let A = and B = . Find A - B. [-2] 2 points QUESTION 26 1. Find the nth term and the indicated term of the arithmetic sequence whose initial term, a, and common difference, d, are given. a = 4; d = -7 an = ?; a16 = ? an = 11 - 7n; a16 = - 52 an = 11 + 7n; a16 = -101 an = 11 - 7n; a16 = - 101 an = 4 - 7n; a16 = - 101 2 points QUESTION 27 1. Find the domain of the function. f(x) {x|x 23} {x|x 23} {x|x = } {x|x } 2 points QUESTION 28 1. Solve the system of equations by elimination. x = 10, y = 10; (10, 10) x = 0, y = 0; (0, 0) x = 0, y = 10; (0, 10) x = 10, y = 0; (10, 0) 2 points QUESTION 29 1. Solve the system of equations by elimination. x = -18, y = - ; x = 18, y = ; x = 16, y = ; x = -16, y = - ; 2 points QUESTION 30 1. Find the sum. 3 + 6 + 9 + ... + 294 145 53 1440 6 1425 9 2 points QUESTION 31 1. Solve the problem. How many different 4-letter codes are there if only the letters A, B, C, D, E, F, G, H, and I can be used and no letter can be used more than once? 126 302 4 656 1 4 2 points QUESTION 32 1. Solve the system of equations by elimination. x = 19, y = -2; (19, -2) x = -2, y = 19; (- 2, 19) x = -19, y = 8; (- 19, 8) x = -19, y = 4; (- 19, 4) 2 points QUESTION 33 1. Solve the problem. How many 4-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9, and 0? No digit can be used more than once. 5040 151,2 00 210 302,4 00 2 points QUESTION 34 1. Solve the problem. How many different license plates can be made using 3 letters followed by 4 digits selected from the digits 0 through 9, if neither letters nor digits may be repeated? 546,000 175,760, 000 47,174,4 00 78,624,0 00 2 points QUESTION 35 1. Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent. inconsistent x = -2, y = 6; (- 2, 6) x = 6, y = -2; (6, -2) x = -2, y = -6; (-2, -6) 2 points QUESTION 36 1. Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent. inconsistent x =2, y =5; (2, 5) x =-1, y =5; (- 1, 5) x =2, y =2; (2, 2) 2 points QUESTION 37 1. Solve the system of equations by substitution. x = 0, y = 10; (0, 10) x = 10, y = 0; (10, 0) x = 10, y = 10; (10, 10) x = 0, y = 0; (0, 10) 2 points QUESTION 38 1. Solve the system of equations by substitution. x = 1, y = 0; (1, 0) x = 0, y = 1; (0, 1) x = 0, y = 0; (0, 0) x = 1, y = 1; (1, 1) 2 points QUESTION 39 1. Find the exact value. Do not use a calculator. tan (28) -1 0 1 undefine d 2 points QUESTION 40 1. Solve the problem. A bag contains 2 red marbles, 4 blue marbles, and 5 green marbles. If one marble is selected at random, determine the probability that it is blue. 2 points QUESTION 41 1. Solve the system of equations by substitution. x = -2, y = 3; (-2, 3) x = 7, y = 12; (7, 12) x = 12, y (12, -2) x = -2; = 3, y = 7; (3, 7) 2 points QUESTION 42 1. Solve the problem. A 6-sided die is rolled. What is the probability of rolling a number less than 2? 2 points QUESTION 43 1. Solve the problem. A bag contains 15 balls numbered 1 through 15. What is the probability of selecting a ball that has an even number when one ball is drawn from the bag? 7 2 points QUESTION 44 1. Perform the indicated operations and simplify. Let A = ,B = , and C = . Find C(A - B). 2 points QUESTION 45 1. Find the sum. -3 + 1 + 5 + 9 + 13 + ... + (4n - 7) n(2n -5 ) n(4n + 7) n(4n -7 ) n(2n + 5) 2 points QUESTION 46 1. Find the standard form of the equation of the hyperbola satisfying the given conditions. Foci: (-5, 0), (5, 0); vertices: (-3, 0), (3, 0) - = - = 1 1 - = - = 1 1 2 points QUESTION 47 1. Solve the system of equations by substitution. x = 2, y = 11; (2, 11) x = 2, y = -11; (2, -11) x = 9, y = -11; (9, -11) x = 9, y = 2; (9, 2) 2 points QUESTION 48 1. Find the sum. 1 + 2 + 3 + ... + 461 1064 91 212,5 21 212,9 82 10603 0 2 points QUESTION 49 1. Find the nth term and the indicated term of the arithmetic sequence whose initial term, a, and common difference, d, are given. a = -3; d = 3 an = ?; a10 = ? an = -3 + 3n; a10 = 24 an = -6 - 3n; a10 = 24 an = -6 + 3n; a10 = 36 an = -6 + 3n; a10 = 24 2 points QUESTION 50 1. Find the domain of the function. g(x) {x|x 0} {x|x -7, 7} {x|x > 49} = all real numbers 2 points Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save and Submit