homework 7 - Score: S. /lO Please read and follow the...

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Unformatted text preview: Score: S. /lO Please read and follow the instructions on your syllabus for graded homework assignments. Show your work on all problems to receive credit, 1. (2 pts) Factm; i'fpossible. Be sure to factor completely. (a) 5x4y —15x3y —90ny 1 K ‘1 “fax; I \(fl 4 +5 )1 \JL‘ t . n f h i i“ ‘ on“; f \ L " ‘ K (b) l7a6§2 47:13:;6 W if :65 _. 5”) Hi» ;; t? 3 v (if: 5 N Day, {L (,3. +57vXA+bch~ b) g _..’;\‘."\. Answer: 3.“: ‘“ 75.2%; 2‘ (2 pts.) Solve. (a) 5x2+29x+6=12 5101+ Li 3H ‘ a, “VP 9 £3 '0‘ 'i‘ O {F if W *WHU} a} gig-lg 9: H S15" it 2:, ’ I Answer: Page I of 3 MTH I825 Homework #7 Fall 2007 (b) 763 —3502 = 986 i’ m (gig; may: 1%} 01 Vr'L “rum 3. (2pts.) The area ofa rectangle is 136 square feet, If the length is 7 feet less than 3 times the Width, find the dimensions of the rectangle. You must setup an equation and solve it to receive credit. fiat/U “ x D E: fume} tun J 2K4? 11%,; “me” . 6 at} M m total) Answer: l‘ 4" 4. (1 pt) Find the domain of the following rational expression, 3): + 7 U'lyiv “Elli +1) ‘2’ m H. + warmer» ’r’ “*3” "tel EQlVlJCLViFO all ml Ml”! H i N: r}: ‘Uz "Ml K ml 2/ ki"? "" ' 1;, ‘ 0“ T ” Answer: Page 2 0f 3 MTH1825 Homework #7 Fall 2007 5. (2 pts) Divide and simplify. 736-57)}; xZ—yz 3x+18 'x2+5x_6 mat. ‘ 2 m 7.3 r EE gufn 1 / L r ‘ ’ hfifig ~ 3 W3 9‘41?) Wall '1 HA) A “Basaktfl “"3 a 3M“) 11““? “ +1 RMH} Answer: 6. (lpt.) Add and simplify. x+2+x2—3x—10 /, f—‘F 9 ‘3 fi '2”. ‘§-:§"15" CAlek?) (“XXX/S7 Qizflf? a 3:1 ‘ J {15 f 2% ,1 ~57 >- 79k“ 15‘ (Maw-M9} ...
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homework 7 - Score: S. /lO Please read and follow the...

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