quiz2 - {oooooooeoer Tl'li5 lQufitjunn 1 pt 111i5 TEIZ...

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Unformatted text preview: «{oooooooeoer» Tl'li5 lQufitjunn: 1 pt 111i5 TEIZ: 2|] p15 tin-f 11} complete A ball is thrown vertically upward from the ground. Its distance in feet from the ground in t seconds is s = — ltilt2 + 144t. After how many seconds will the ball be 288 feet from the ground? |:| seconds {Use a comma to separate answers as needed.) 4110900000096?” 'I1Ii5 Qulfitinn: 1 pt Tl'li5 Tat: ED [:13 “Inf 1!} complete Solve the equation. 23-?_x-3 x — 4 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. Us. The solution set is {D}. {Simplify your answer. Use a comma to separate answers as needed.) OE. There is no solution. “*006000000® 1"” This QIIEEIIII: 1 pt This Tat: 2|] p15 “Inf 2!} cumplete Sally can paint a room in I" hours while it takes Steve 4 hours to paint the same room. How long would it take them to paint the room if they worked together? It would take |:| hours. {Simplify your answer. Type an integer or a fiaction.) “*00000000061'” This QIIEEIIII: 1 pt This TEIZ: 2|] p15 Ill-of 21} cemplete Find the imaginary number sohllions of the following equation. (31: — t)2 = — 2? The sohtlion set is {Type an exact answer= using radicals as needed. Express complex numbers in terms of t. Use integers or fi'actions for any numbers in the expression. Use a comma to separate answers as needed.) «soooooooooe 1"” 'I1Iis QIJEEIIII: 1 pt This Tat: ED [:13 1101‘ 11} complete How many quarts of pure antifreeze must be added to ti quarts ofa lflt’zfi antifreeze sohtlion to obtain a 60% antifreeze solution? B quart(s) of pure antifreeze must be added. fiound to the nearest tenth.) {Hoooooooeoe 1*» This QIJIEEIIII: 1 pt This TIEIZ: 2|] p13 Illnf 11} cemplete Solve the equation. 6- x-S l=9 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. Oil- The solution setis {Simplify your answer. Use a comma to separate answers as needed. Type an integer or a fraction.) {3 B. The sohllion is all real numbers. {3 IS. The sohtlion is the empty set. 1‘109000000061'» 'I1Ii5 Qulstinn: 1 pt This TEIZ: 2|] p15 “Infill cumplete Solve. lflx4—31x2+ 15 =o The sothion set is {Simplify your answer. Use integers or fractions for any numbers in the expression. Type exact answers, using radicals as needed. Rationaliae all denominators. Use a comma to separate answers as needed. Express complex numbers in terms of f.) “‘090000090®*» 111is QuEfinn: 1 pt 'I1Iis Tat: so p13 our 111 cumplete E Solve the equation. (x2+2x “3 =2 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. Orb- The solution set is [Simplify your answer. Type an integer or a fiaction. Use a comma to separate answers as needed.) OE. There is no solution. «Hoeoooooeoo 1"” This Question: 1 pt This TEII: 2|] p13 Illuf El} cumplete Solve by completing the square. The mhnjrm set is {Simplify your answer. Type an exact x2 - fix - 4 = fl answer, using radicals as needed. Use a comma to separate answers as needed.) «Hooooeooee 1"” 'I'IisQlIEfin-n: 1 pt 11i5TEt: 20 p13 Salve the equafien. lll:4 4) t+4 _ t_ =— 6 12 The 501mm is {D}. (Sinpfify your answer. Type an integer or a fraction.) «seaweeoeea 1"” mason-55ml: 1 pt flisTEt: 2::- p15 Solve the following equation using the quadratic fm‘rmfla. (x-fl)(x-1fl)= - 115 The sehllion set is _ (Simplify your mswer.) ***0@@@@@@@@ 1"” “Estimation: 1 pt 'I'Iis TEIZ: 20 p13 Salve the equation for x. 31+2ah=4x-Tah FD (Simplify 3mm answer.) fisflfi®®®®0®®® 1"” flififlufifion: 1 pt "I'll—5 TEII: 20 p13 Find the smnerdifl‘erence. - f -2-{4-51‘)-{2-fif) — :— —2—(4—5:)—(2—s:)=D (Typeyemshswerhlfliefoflna+bi_) I] of 21] complete ll of 211 complete 1] of I'll complete I] of 21] complete fii0®®¢®©6®®® 1'” "this Question: 1 pt This TEIZ: ED [:13 Illnf In complete Solve the equation. fi=xi9x+1s—4 Select the correct choice below and, ifneeessary, fill in the answer box to complete your choice. OH The solution set is {Use a comma to separate answers as needed.) GE. There is no solution. “*0@@@@@@@@@ 1"” This QUEEDII: 1 pt This TEE: 2|] p13 Illnf 11] complete Solve the inequality. Write the solution set in interval notation, and graph it. 2m+2 —1£T£12 The solution set in interval notation is {Type your answer in interval notation.) Choose the correct graph below. {3a. {33. —15—1|] —5 I] 5 1|] 15 2|] 25 5|] —15—1E| —5 I] 5 1|] 15 2|] 25 5|] (3:. 0o. +I—I—H-I—I—I—I—I-H—I—rH—I—I—H—I—I—I—H—I—I—r —15—1E|—5 El 5 1|] 15 2|] 25 3|] —15—1E| —5 III 5 1|] 15 2|] 25 3|] “*0@@@@@@@@*H flisQuEtinn: 1 pt 'I1I'5'I'Et: 20 p15 11qu complete ll'i Solve the quadratic inequality. Write the sohltion set in interval notation. x(x - 3) 5 23 1Write the sohltion set in interval notation. D «soeeoeomoeor» flififlufifinn: 1 pt “EST-st: 20 p13 Burl-21] complete I." Two high—speed ferries leave at the same time from a city to go to the same island. The first ferry= the Cat, travels at 31 miles per hour. The second ferry= the Bird, travels at 23 miles per hour. 111 how many hours will the two ferries be 3 miles apart? The ferries will be 3 miles apart after '1 hour(s). l+i 3+2f 1 + 1' _ (Simplify your answer. Type your answer in the form a + ht.) “*¢@@@@@@@@@ 1"” This Question: 1 pt This TEII: 2|] p13 Illan 11} cumplete The length ofeach side ofa square is 3 in. morethanthe length ofeach side ofa smaller square. The sum of the areas of the squares is 369 i112. Find the lengths of the sides of the two squares. AsideofthesmallsquareisEl;asideofthebigsquareisl:l. “*0@@@@@@@@@*H This Qulshn' n: 1 pt This TEII: 2|] p13 “Inf 2!} complete 50]“ fl“: mflquafity- The sohttion set is {Simplify your answer. Type your answer in I"?I _ 71' + 5 E 3" interval notation. Use integers or fractions for any numbers in the expression.) ...
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This note was uploaded on 02/17/2011 for the course CISC 113 taught by Professor Doreencornell during the Spring '10 term at bucks.edu.

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quiz2 - {oooooooeoer Tl'li5 lQufitjunn 1 pt 111i5 TEIZ...

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