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{SECT 0 {EXCHG {PARA 256 "" 0 "" {TEXT 260 41 "Travail 1 - Laboratoire
 1 - Pr\351liminaires" }{MPLTEXT 1 0 1 " " }}}{EXCHG {PARA 256 "" 0 "
" {TEXT -1 52 "Par Claude St-Hilaire, claude.sthilaire@videotron.ca" }
}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 8 "restart:" }}}{EXCHG {PARA 
0 "" 0 "" {TEXT 269 5 "No 1)" }{TEXT -1 107 " Soit A(-2,3), B(1,4) et \+
C(7,10),  trois points.\nMontrer qu'il existe une infinit\351 de parab
oles verticales " }{XPPEDIT 18 0 "y = a*x^2+b*x+c;" "6#/%\"yG,(*&%\"aG
\"\"\"*$%\"xG\"\"#F(F(*&%\"bGF(F*F(F(%\"cGF(" }{TEXT -1 56 " passant p
ar les 2 points A et B.                       " }}{PARA 0 "" 0 "" 
{TEXT 261 3 "a) " }{TEXT -1 17 "Trouvez-en deux \n" }{TEXT 262 3 "b) \+
" }{TEXT -1 32 "Tracez-les sur un m\352me graphique" }}}{SECT 1 {PARA 
3 "" 0 "" {TEXT 256 31 "Espace de travail de l'\351tudiant" }}{EXCHG 
{PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 "> " 0 "" 
{MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}
{EXCHG {PARA 0 "" 0 "" {TEXT 268 5 "No 2)" }{TEXT 267 1 " " }{TEXT -1 
51 "Trouver l'\351quation de l'unique parabole verticale  " }{XPPEDIT 
18 0 "y = a*x^2+b*x+c;" "6#/%\"yG,(*&%\"aG\"\"\"*$%\"xG\"\"#F(F(*&%\"b
GF(F*F(F(%\"cGF(" }{TEXT -1 39 " passant par les 3 points A, B ,C     \+
 " }}}{SECT 1 {PARA 3 "" 0 "" {TEXT 258 31 "Espace de travail de l'
\351tudiant" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}{EXCHG 
{PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 "> " 0 "" 
{MPLTEXT 1 0 0 "" }}}}{EXCHG {PARA 0 "" 0 "" {TEXT 263 5 "No 3)" }
{TEXT -1 65 " Au No 2), on a trouv\351 l'\351quation de l'unique parab
ole verticale " }{XPPEDIT 18 0 "y = a*x^2+b*x+c;" "6#/%\"yG,(*&%\"aG\"
\"\"*$%\"xG\"\"#F(F(*&%\"bGF(F*F(F(%\"cGF(" }{TEXT -1 35 " passant par
 les 3 points A B, et C" }}{PARA 0 "" 0 "" {TEXT 264 2 "a)" }{TEXT -1 
53 " Trouver l'\351quation de l'unique parabole horizontale " }
{XPPEDIT 18 0 "x = a*y^2+b*y+c;" "6#/%\"xG,(*&%\"aG\"\"\"*$%\"yG\"\"#F
(F(*&%\"bGF(F*F(F(%\"cGF(" }{TEXT -1 40 " passant par les m\352mes 3 p
oints A, B ,C\n" }{TEXT 265 2 "b)" }{TEXT -1 216 " Les 2 paraboles obt
enues en a) et b) passent par les points A, B, C. Tracez-les sur un m
\352me graphique. \nSuggestion: Utiliser implicitplot(\{equation1, equ
ation2\}, x=a..b,y=c..d); pour les tracer sur un m\352me graphique" }}
}{SECT 1 {PARA 3 "" 0 "" {TEXT 257 31 "Espace de travail de l'\351tudi
ant" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 ">
 " 0 "" {MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "
" }}}}{EXCHG {PARA 0 "" 0 "" {TEXT 266 5 "No 4)" }{TEXT -1 99 " Trouve
r le quatri\350me point d'intersection, s'il existe, des 2 paraboles h
orizontale et verticale, " }}}{SECT 1 {PARA 3 "" 0 "" {TEXT 259 31 "Es
pace de travail de l'\351tudiant" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 
1 0 0 "" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}{EXCHG 
{PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}}{MARK "2 0 0" 0 }{VIEWOPTS 1 
1 0 1 1 1803 1 1 1 1 }{PAGENUMBERS 0 1 2 33 1 1 }