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Beliebt Geometry >

foki x^2+3x-4

Lösung

foki

x^{2} + 3 x - 4

Lösung

(- \frac{3}{2}, - 6)

Schritte zur Lösung

Rewrite

y = x^{2} + 3 x - 4

in the standard form

4 \cdot \frac{1}{4} (y - (- \frac{25}{4})) = (x - (- \frac{3}{2}))^{2}

(h, k) = (- \frac{3}{2}, - \frac{25}{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{25}{4})

along the y-axis

(- \frac{3}{2}, - \frac{25}{4} + p)

= (- \frac{3}{2}, - \frac{25}{4} + \frac{1}{4})

Fasse zusammen

(- \frac{3}{2}, - 6)

Graph

Beliebte Beispiele

foki (x-3)^2=8(y-2)

f oc i (x - 3)^{2} = 8 (y - 2)

foki (x+3)^2=24(y-1)

f oc i (x + 3)^{2} = 24 (y - 1)

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

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

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