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Unformatted text preview: Name 5 Matii’i 1805 \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? 94 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. 4x29x+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 ‘
. 1K : ‘(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 13 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.
 Spring '00
 satff
 Math

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