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Beliebt Geometry >

foki 1-x-x^2

Lösung

foki

1 - x - x^{2}

Lösung

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

Schritte zur Lösung

Rewrite

y = 1 - x - x^{2}

in the standard form

4 (- \frac{1}{4}) (y - \frac{5}{4}) = (x - (- \frac{1}{2}))^{2}

(h, k) = (- \frac{1}{2}, \frac{5}{4}), p = - \frac{1}{4}

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

p

from the center

(- \frac{1}{2}, \frac{5}{4})

along the y-axis

(- \frac{1}{2}, \frac{5}{4} + p)

= (- \frac{1}{2}, \frac{5}{4} + (- \frac{1}{4}))

Fasse zusammen

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

Graph

Beliebte Beispiele

foki 4x^2-20x-24y+97=0

f oc i 4 x^{2} - 20 x - 24 y + 97 = 0

f oc i y^{2} = x + 1

f oc i y = x^{2} - 4 x 3

foki (x+sqrt(2))(x-sqrt(2))

f oc i (x + 2) (x - 2)

foki (y-2)^2=12(x+1)

f oc i (y - 2)^{2} = 12 (x + 1)