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Finn passende funksjonsuttrykk for hver parabel

", "advice": "

La $f(x)=ax^2+bx+c$ være en kvadratisk funksjon ($a\\neq0$). 

\n

Hvis $a>0$ har grafen $\\smile$ formen.

\n

Hvis $a<0$ har grafen $\\frown$ formen.

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$c$ i funskjonsuttrykket blir skjæring med $y$ aksen.

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$-\\dfrac{b}{2a}$ er $x$ koordinaten til topp- eller bunnpunkt.

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Zoom inn eller ut etter behov

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