math118 s04 midterm1

math118 s04 midterm1 - Name 5 Matii’i 18-05 \Wp ,....

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Unformatted text preview: Name 5 Matii’i 18-05 \Wp ,. Midterm #1 Last Four Digits of SS# _. 7 —_' January 26, 2004 Make sure not to Spend too much time on any given problem. Choose either problem 6 or 7 and circle the one you choose. You will have 50 minutes to complete file exam. Good- Luck! ' 1. 1fA={(l,2, 3, 4} and B={—l, 0,6) a. Whatis AflB? _ M %\\b b. Wliatis AUB? 9-4 m9 . '1 fl; 2. Simplify the following expressions 3, W 3t : --i f1 y“5 r 4 2% l *3" 3. Factor the expressions completely. a. 9x2 —36x —45 ’3 3 3 —\$ ' I; \ 5 L g __ 3 E \ ; \Lx \S)(ax+5>\ .3 ' ‘ 'H’J US?) % fiflxmfllflfi‘) \8 \O b. 301c3+15x4 LEXIS ( 2 '+ X» 4. Simplify the following expressions. a 3301:”); 4x+4 "r X3 x3 at I’m-~1- at“. HM} x “MM 3 " U1“) 1.: r’ {M t) to [Q t b. 4 (Hint: Rationalize the denominator.) Ji'i'l . ‘i a fix.» _ 43‘3"“: : Al":th \ i t vs 3: *PLW i 5. Find all real solutions of the quadratic equation using the quadratic fonnula. a. 4x2-9x+2 4M“: H A;- i x —‘ L 1:} I l 27 5 i l O 5* e ”‘ ‘ 4 l“? 'm -‘ A» - i Ar Ar 1 0‘1“; 4 i la :3 l w 7 in 1 Cl :1: ‘ ‘—--— — l 6. A tea merchant blends two types of tea. The first type of tea in the blend sells for $3.00 the second type sells for $2.75. He produces 80 pounds of this blend and it sells for $2.90 a pound. How many pounds of each type of tea does the merchant use in the blend? A mother is currently 4 times as old as her daughter. In 20 years she will be twice as old as her daughter; How old is the mother? How old is the daughter? \A = C‘mtkfllfl‘t CY" 3) ~— WO't‘h‘er‘ *sz 5+1ozzk+xfi 2 4x #10 : tax—~40 éfiogeqa ‘ . 1-K : ‘(LQ yr:\o d?‘\‘ ‘i ‘ l C“ E J mother that} Ht 5 ‘31 8. Solve the following inequalities and graph the solution sets. a.2mfls§ ‘%_“TT$11:M ”? Zxé; lx£:42 xé\ b u_q>4 _x72>a x~33>~a —; o a ‘§?© i X>v1l (4-; 1 i 9. Find an equation of the circle that has points (0,7) and (4,-5) as the endpoints of a i 1 LA 10 m w diameter, use the midpoint formula to find the center. m: i , 1’ 2, wry) ‘1 z (of r (Huh (Hid): Y i; who‘d To C? 10. Find an equation of the line that passes through (1,1) and is parallel to 2x ~ y = 4 . ‘3: mm “4% \: (13{2\+b n\:\o 1-3 22.x "iv ...
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This homework help was uploaded on 02/08/2008 for the course MATH 118 taught by Professor Satff during the Spring '00 term at Cal Poly.

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math118 s04 midterm1 - Name 5 Matii’i 18-05 \Wp ,....

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