Présentation de graph_001b.jps

/syracuse/texpng/jpv/database/1ere/sti/algebre/polynome/graph_001b.jpg
20 setxunit -8 5 setxrange -5 4 setyrange quadrillage gsave orange 3 setlinewidth [xmin 0 3 sqrt neg 0] ligne [xmax 0 3 sqrt 0] ligne grestore tracerepere 2 setxmkstep xmarks /f { 1 add dup mul neg 3 add } def {f} courbe {-2 mul 1 sub} courbe /fontsize 10 store /dotscale {.8 dup} def [3 sqrt dup neg] {dup f} apply dashpoints setTimesItalic (x) xmax 0 dltext (y) 0 ymax dltext <tex> $$ y = -x^2 -2x + 2 $$ </tex> -3.5 dup f ultexlabel <tex> $\displaystyle {\phantom \int y = -2x - 1}$ </tex> -2 3 bltexlabel