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Beliebt Geometry >

foki y^2-y-42

Lösung

foki

y^{2} - y - 42

Lösung

(- 42, \frac{1}{2})

Schritte zur Lösung

Rewrite

x = y^{2} - y - 42

in the standard form

4 \cdot \frac{1}{4} (x - (- \frac{169}{4})) = (y - \frac{1}{2})^{2}

(h, k) = (- \frac{169}{4}, \frac{1}{2}), p = \frac{1}{4}

Parabola is symmetric around the x-axis and so the focus lies a distance

p

from the center

(- \frac{169}{4}, \frac{1}{2})

along the x-axis

(- \frac{169}{4} + p, \frac{1}{2})

= (- \frac{169}{4} + \frac{1}{4}, \frac{1}{2})

Fasse zusammen

(- 42, \frac{1}{2})

Graph

Beliebte Beispiele

foki 3(x-1)(x+2)