Note di Matematica

In allegato le prove di assegnate il giorno 11 11 2023. Le ho inserite nel caso qualche studente desidera chiarimenti a riguardo.

Prova 1

$1a)\hspace{2mm}k=\dfrac{5}{9}\hspace{3mm}1b)\hspace{2mm}k=5\hspace{3mm}1c)\hspace{2mm}k=\dfrac{1}{9}\hspace{3mm}$

$2a)\hspace{2mm}D\equiv(2,1)\hspace{3mm}2b)\hspace{2mm}d=\dfrac{4}{5}\sqrt{10} \hspace{3mm}2c)\hspace{2mm}2p=4\sqrt{10}$

$3a)\hspace{2mm}\overline{OH}=3\sqrt{2}\hspace{2mm}H\equiv(-3,3)\hspace{3mm}3c)\hspace{2mm}A_T=18$

$4)\hspace{2mm}P\equiv(0,-1)$

$5)\hspace{2mm}x-5y-3=0$




Prova 2

$1a)\hspace{2mm}k=\dfrac{5}{9}\hspace{3mm}1b)\hspace{2mm}k=\dfrac{7}{3}\hspace{3mm}1c)\hspace{2mm}k=\dfrac{9}{4}\hspace{3mm}$

$2a)\hspace{2mm}D\equiv(4,2)\hspace{3mm}2b)\hspace{2mm}d=\dfrac{8}{5}\sqrt{10} \hspace{3mm}2c)\hspace{2mm}2p=8\sqrt{10}$

$3a)\hspace{2mm}\overline{OH}=2\sqrt{2}\hspace{2mm}H\equiv(2,-2)\hspace{3mm}3c)\hspace{2mm}A_T=8$

$4)\hspace{2mm}P\equiv(1,0)$

$5)\hspace{2mm}3x+2y-8=0$