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{SECT 0 {EXCHG {PARA 0 "" 0 "" {TEXT -1 38 "Quiz 5 MCS 320 Friday 14 F
ebruary 2003" }{MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 "" 0 "" {TEXT -1 
190 "1.  Draw the directed acyclic graph for the internal representati
on of the expression y^2 - x/y.  Give the Maple command(s) (not the Ma
ple output!) you applied to help you with your drawing." }}}{EXCHG 
{PARA 0 "> " 0 "" {MPLTEXT 1 0 21 "dismantle(y^2 - x/y);" }}{PARA 6 "
" 1 "" {TEXT -1 0 "" }}{PARA 6 "" 1 "" {TEXT -1 6 "SUM(5)" }}{PARA 6 "
" 1 "" {TEXT -1 10 "   PROD(3)" }}{PARA 6 "" 1 "" {TEXT -1 16 "      N
AME(4): y" }}{PARA 6 "" 1 "" {TEXT -1 18 "      INTPOS(2): 2" }}{PARA 
6 "" 1 "" {TEXT -1 15 "   INTPOS(2): 1" }}{PARA 6 "" 1 "" {TEXT -1 10 
"   PROD(5)" }}{PARA 6 "" 1 "" {TEXT -1 16 "      NAME(4): x" }}{PARA 
6 "" 1 "" {TEXT -1 18 "      INTPOS(2): 1" }}{PARA 6 "" 1 "" {TEXT -1 
16 "      NAME(4): y" }}{PARA 6 "" 1 "" {TEXT -1 19 "      INTNEG(2): \+
-1" }}{PARA 6 "" 1 "" {TEXT -1 16 "   INTNEG(2): -1" }}{PARA 6 "" 1 "
" {TEXT -1 0 "" }}}{EXCHG {PARA 0 "" 0 "" {TEXT -1 44 "For the drawing
, see the paper answer sheet." }{MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 "
" 0 "" {TEXT -1 89 "2. Consider the polynomial p = 79 y + 56 x y + 49 \+
x^3 + 63 x^3 y^2 + 57 x^2 y^3 - 59 y^5." }}{PARA 0 "" 0 "" {TEXT -1 
129 "   Using the equation x^2 + y^2 = 1, give the Maple command to re
write all monomials in p where x occurs with power 2 or higher. " }
{MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 63 "p := 79
*y + 56*x*y + 49*x^3 + 63*x^3*y^2 + 57*x^2*y^3 - 59*y^5;" }}{PARA 11 "
" 1 "" {XPPMATH 20 "6#>%\"pG,.%\"yG\"#z*(\"#c\"\"\"%\"xGF*F&F*F**&\"#
\\F*)F+\"\"$F*F**(\"#jF*F.F*)F&\"\"#F*F**(\"#dF*)F+F3F*)F&F/F*F**&\"#f
F*)F&\"\"&F*!\"\"" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 21 "algsub
s(x^2+y^2=1,p);" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#,0*&%\"xG\"\"\")%\"
yG\"\"%F&!#j*(\"#9F&F%F&)F(\"\"#F&F&*(\"#cF&F%F&F(F&F&*&\"#\\F&F%F&F&*
&\"$;\"F&)F(\"\"&F&!\"\"*&\"#dF&)F(\"\"$F&F&*&\"#zF&F(F&F&" }}}}{MARK 
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