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Beliebt Geometry >

foki z^2+10z+5

Lösung

foki

z^{2} + 10 z + 5

Lösung

(- 5, - \frac{79}{4})

Schritte zur Lösung

Rewrite

y = z^{2} + 10 z + 5

in the standard form

4 \cdot \frac{1}{4} (y - (- 20)) = (z - (- 5))^{2}

(h, k) = (- 5, - 20), p = \frac{1}{4}

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

p

from the center

(- 5, - 20)

along the y-axis

(- 5, - 20 + p)

= (- 5, - 20 + \frac{1}{4})

Fasse zusammen

(- 5, - \frac{79}{4})

Graph

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