a docs.goog|e.com 9.) * 1 point The number of kilograms of water K in a human body is directly proportional to its total weight W. A man who weighs 67 kg contains 58 kg oi water. If JM weighs 72 kg. how many kilograms of water does he contain? A. 44 B. 48 C. 50 D. 52 10.) * 1 point If M varies inversely as P, what happens to M when P is doubled? A. M will also be doubled. B. M will be squared. C. M will decrease by half of its amount. D. M will increase by twice of its amount. \fii docs.google.com 11.) * 1 point The distance D from the fulcrum of a seesaw varies inversely as the weight of the person W. Dale who weighs 120 pounds, sits 4 feet from the fulcrum. Dave who weighs 80 pounds sits 3 ft from the fulcrum. What should Dave do to balance Dale's weight? A. Dave should sit 5 ft from the fulcrum. B. Dave should sit 6 ft from Dale's position. C. Dave should sit 3 ft farther from his present position. D. Dave should sit 6 ft farther from his present position. 12.) * 1 point The variation y = kxz is an equation of what kind of variation? A. Direct Linear B. Inverse 0. Combined D. Joint \fii docs.goog|e.com 15.) * 1 point The volume of a right cylinder varies jointly with lhe square oi its radius and its height. When the radius is 20m and the height is 60m. the volume is 75.36 cm3. What is the volume if r = 3 cm and h = 5cm? A. 141.36m3 B.121.4cm3 C. 153.3cm3 D. 134.4cm3 16.) * 1 point What is the simplied form of( -3bc ). A. be B. 1 C. 0 D. -3 7:00 LTE C$ a docs.google.com 23.) 1 point Which is the simplest form of (27x3) 3. A. 3 B. 27x C. 3x D. 3x3 O A O B O O D 24.) 1 point Simplify the expression (mame). A. m2 B. m 12 C. miz D. mz O A O B O C O D 25.) * 1 point7:00 . LTE ($ a docs.google.com 25.) 1 point Write ( 53 ) ( 53 ) ( 53 ) ( 53 ) into expression with single rational exponent. A. 25 B. ( 527 ) C. ( 53 ) D. 5 O O B O c O D 26.) 1 point Change V(7a)2 to rational exponent. A. (7a)z B. (7a)3 C. 702 D. 703 O A O B O C O D 27.) * 1 pointii docs.google.com 1.) * 1 point Which of the following situations shows direct variation? A. The amount of money earned and the number of hours a person works. B. The time required to nish a certain job and the number of persons who work on the job.(assuming that all do the same amount of work) C. The length and width of a rectangle given a xed area. D. The rate of a moving vehicle and the time it takes to travel a certain distance. 2.) * 1 point Which of the following situations represent an inverse variation? A. The Cost of mangoes which corresponds to its weight in kilos. B. The number of persons sharing a pie to the size of the slices of the pie. C. The salary that will receive by an employee to the number of days he worked. D. The amount of money raised in a concert to the number of tickets sold. 3-) * 1 pomt ii docs.google.com 5.) * 1 point Which of the following table of values shows that tvaries directly as the square of p. A, C' p 2 6 11 '16 27 p 1 2 3 4 5 1 1 2 3 4 5 t 3 12 27 46 75 B D. p 3 12 27 4s 75 p 1 2 4 5 ' 2 3 4 5 1 1 4 16 50 6.) * 1 point Using the table of values, which of the following is the equation of variation? x 1 2 3 l 4 6 y 12 6 4 l 3 2 A.y=12x B.x=12y C.y= D.k= OA OB a docs.goog|e.com 3.) * 1 point Determine the kind of variation that exist in the given situation: The cost of labor when a number of men works given the number of days they work. A' Direct BA Inverse C. Combined D. Joint 4-) * 1 point A certain amount or money is deposited in a bank. The simple interest (I) earned in a given time m varies with the En'ncigei amount (P deposited and the rate of interest (r! . Using the iormula I : Prt , what kind of variation exist among the quantities: interest. principal and rate? A. Direct B. Inverse C. Combined D. Joint ii docs.google.com 13.) * 1 point lfyvaries directly with the square ofx and inversely as z and x = 2, y = 1 and z = 10, what isywhenx = 4andz = 5? A. 7 B. 8 C. 9 D. 10 14.) * 1 point The size of a tire considers the weight and the terrain where the vehicle will primarily be used among others. What equation of variation is used if the tire pressure (P) varies directly as the weight (W) of car and inversely as the area(A) of the ground covered by each tire? A.P=\"7'\" B.P=kWA C.P= k/t W 4_r\\* . ii docs.goog|e.com 7-) * 'I point Which of the following represents the graph of inverse variation? 8.) * 'I point If M varies directly as the square of N, and M = 40 when N = 2, Find M when N = 3. A. 70 B. 80 C. 90 D. 100 7:00 .lui LTE ED 9 docs.google.com 17.) * 1 point How is 43 related to 4'3? A. 43 Is the opposite 4'3 C. 43 Is the reciprocal of 4'3 B. 43 Is the additive inverse of 4'3 D. 43 Is the negative of 4'3 18.) * 1 point What is the value of n in 50;: = [in will make the equation TRUE? A. 14 B. 5 C. 4 D. 9 19.) * 1 point