QUIZ 8 - College Mathematics - Parent Organization

[08] M8 Final Exam - Results Attempt 1 of 2 Written Dec 20, 2023 10:12 AM - Dec 20, 2023 11:12 AM Attempt Score 83 / 100 - 82.5 % Overall Grade (Highest Attempt) 88 / 100 - 87.5 % Question 1 0 / 2.5 points Money is invested in a savings account at 3.4% simple interest. After 1 year, there is $1695.76 in the account. How much was originally invested? Question 2 2.5 / 2.5 points 21 is 15% of what number? Question 3 2.5 / 2.5 points Solve: Question 4 2.5 / 2.5 points Find the mean of 2, 6, 8, 9, 2, 5, 12 Question 5 2.5 / 2.5 points The perimeter of a rectangular poster is 108 in. The length is 12 in. greater than the width. Find the length. Question 6 2.5 / 2.5 points Convert into a percent Question 7 2.5 / 2.5 points Calculate 2 – (-1) Question 8 0 / 2.5 points Solve: Question 9 2.5 / 2.5 points Find the mean of 2,6,8,9,2,5,12 Question 10 2.5 / 2.5 points What number is 12% of 75? Question 11 2.5 / 2.5 points Solve: Question 12 2.5 / 2.5 points The population increased from 1200 to 1464. What was the percent increase? Question 13 0 / 2.5 points Write the solution for in set notation Question 14 2.5 / 2.5 points Solve: Question 15 2.5 / 2.5 points Solve: Question 16 2.5 / 2.5 points Solve: Question 17 2.5 / 2.5 points Solve: Question 18 0 / 2.5 points The height of a triangle is 90 cm. What lengths of the base will make the area at most 500 cm ? Question 19 2.5 / 2.5 points Solve: Question 20 2.5 / 2.5 points Solve: for Question 21 0 / 2.5 points Solve: Question 22 2.5 / 2.5 points Solve: Question 23 0 / 2.5 points Which of the following numbers is included in the graph of Question 24 2.5 / 2.5 points Calculate Question 25 2.5 / 2.5 points Solve: Question 26 2.5 / 2.5 points Solve: Question 27 2.5 / 2.5 points Solve: Question 28 2.5 / 2.5 points True or False: A negative times a negative will always be negative True False Question 29 2.5 / 2.5 points Solve: Question 30 2.5 / 2.5 points Calculate 2(3 + 5) – (-4) Question 31 2.5 / 2.5 points Solve: Question 32 2.5 / 2.5 points Solve: Question 33 2.5 / 2.5 points Solve: Question 34 2.5 / 2.5 points A 12-m board is cut into two pieces. One piece is twice the length of the other. Find the length of the longer piece. Question 35 2.5 / 2.5 points Solve: a) $1753.42 b) $1638.10 c) $576.56 d) $1640.00 a) 3.15 b) 315 c) 24.15 d) 140 x + 8 = 14 a) 22 b) 6 c) 8 d) -6 a) 2 b) 9 c) 6.3 d) 7.5 a) 21 b) 42 c) 33 d) 48 1 4 a) .25% b) 2.5% c) 1.4% d) 25% a) 3 b) -2 c) -3 d) 1 − 3 4 x = − 12 a) 16 b) 9 c) -9 d) -16 a) 2 b) 9 c) 6.3 d) 7.5 a) 12 b) 900 c) 9 d) 625 − 5 3 x = 15 a) -9 b) -25 c) 16 2 3 d) 9 a) 18% b) 26% c) 22% d) 5% − 4 x > 3 8 a) ( − 3 2 , ∞ ) b) ( 3 2 , ∞ ) c) ( −∞ , 3 2 ) d) ( −∞ , − 3 2 ) 8( x + 3) = 40 a) 8 b) 2 c) 29 d) 317 3 − y = 11 a) -8 b) 14 c) -14 d) 8 y = 5 3 − x   for   x a) x = 3 y − 5 y b) x = − 2 c) x = 3 y − 5 d) x = 5 y − 3 5 − y = 12 a) -7 b) 7 c) -17 d) − 12 5 2 a) { b b ≤ 11. 1   cm } ¯ b) { b b < 11. 1   cm } ¯ c) { b b ≥ 5. 5   cm } ¯ d) { b b ≥ 11. 1   cm } ¯ − 3 8 x = 24 a) 64 b) -9 c) 9 d) -64 p = ax + by + c b a) b = az + c − p y b) b = y ( p − ax − c ) c) b = p b − ax − c d) b = p − ax − c y − 6 x − 2( x − 5) = 4 a) − 11 7 b) − 9 8 c) 3 4 d) − 7 4 2 t + 8 = 3 t − 11 a) 19 b) − 19 5 c) 3 d) -19 3 x + 8 > − 2 x − 16 a) -5 b) -6 c) -4 d) -20 ( − 3) 5 a) 15 b) -15 c) 243 d) -243 9 x = − 72 a) 8 b) -8 c) -81 d) -648 x + 4 ≤ 13 a) { x | x ≤ 11} b) { x | x ≤ 9} c) { x | x ≥ − 9} d) { x x ≤ 13 4 } 3 x + 4(3 + 2 x ) = 11 x − 12 a) All real numbers b) 4 c) 19 6 d) No solution 3| x | − 6 = 15 a) -3, 3 b) -63, 63 c) -27, 27 d) -7, 7 a) 7 b) 12 c) 20 d) 16 c − 8 = 16 a) 24 b) 8 c) -8 d) -32 4 x = − 24 a) 6 b) -6 c) 96 d) -96 x − 7 = 8 a) 1 b) -1 c) 15 d) -15 a) 4 m b) 8 m c) 9 m d) 3 m 0. 2 p + 2. 4 = 1. 6 p − 1. 2 + 0. 6 p a) 1.5 b) 0.6 c) 1.8 d) 0. 5 ¯