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Welkom bij de presentatie over kwadratische vergelijkingen.

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Kwadratische vergelijking klinkt

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heel moeilijk

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En wanneer je voor het eerst een kwadratische vergelijking ziet,

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denk je: het klinkt niet alleen ingewikkeld,

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maar het is ook ingewikkeld.

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Maar hopelijk vind je het na deze presentatie

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niet zo moeilijk meer

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En in een latere presentatie zal ik je laten zien

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hoe men eraan komt.

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Over het algemeen, heb je al geleerd hoe je een

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tweedegraadsvergelijking moet ontbinden in factoren.

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Je hebt geleerd dat als je bijvoorbeeld deze vergelijking hebt:

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x kwadraat min x min 6 is 0

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x kwadraat min x min 6 is 0

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Dat je dat kunt ontbinden in factoren als x min 3

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en x plus 2 is 0

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Wat betekent dat of x min 3 is 0 of

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x plus 2 is 0

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