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184 bpr 1 
\title{Tangente (function)}
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\range{-5,5}
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\real{a = random(-1,1)*randint(1..30)/10}
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\real{b = randint(-20..20)/10}
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\real{c = randint(-20..20)/10}
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\function{f = \a*x^2+simplify(\b*x)+\c}
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\real{x0 = randint(-40..40)/10}
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\real{y0 = evalue(\f,x = \x0)}
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\function{df = diff(\f,x)}
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\real{df0 = evalue(\df,x = \x0)}
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\function{D = \df0*x-simplify(\df0*\x0-\y0)}
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8514 bpr 13 
\statement{ Donner l'équation de la tangente à la courbe d'équation
184 bpr 14 
\(y = \f\) au point (\x0, \y0).
8514 bpr 15 
       <div class="wimscenter">\( y = \) \embed{reply1}</div>
184 bpr 16 
}
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6509 bpr 18 
\answer{y=}{\D,x}{type=function}