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Beliebt Geometry >

foki y=1-3x-x^2

Lösung

foki

y = 1 - 3 x - x^{2}

Lösung

(- \frac{3}{2}, 3)

Schritte zur Lösung

Rewrite

y = 1 - 3 x - x^{2}

in the standard form

4 (- \frac{1}{4}) (y - \frac{13}{4}) = (x - (- \frac{3}{2}))^{2}

(h, k) = (- \frac{3}{2}, \frac{13}{4}), p = - \frac{1}{4}

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

p

from the center

(- \frac{3}{2}, \frac{13}{4})

along the y-axis

(- \frac{3}{2}, \frac{13}{4} + p)

= (- \frac{3}{2}, \frac{13}{4} + (- \frac{1}{4}))

Fasse zusammen

(- \frac{3}{2}, 3)

Graph

Beliebte Beispiele

foki x^2-2x-4y+13=0

f oc i x^{2} - 2 x - 4 y + 13 = 0

foki 2y^2-16y+72=20x

f oc i 2 y^{2} - 16 y + 72 = 20 x

foki y^2+4x-8y+12=0

f oc i y^{2} + 4 x - 8 y + 12 = 0

f oc i - x^{2} + 4 x - 1

f oc i + x^{2} + 3 x - 4