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Beliebt Geometry >

foki x^2+3x-1

Lösung

foki

x^{2} + 3 x - 1

Lösung

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

Schritte zur Lösung

Rewrite

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

in the standard form

4 \cdot \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-5)^2=16(y+3)

f oc i (x - 5)^{2} = 16 (y + 3)

foki y=28x^2+47x+15

f oc i y = 28 x^{2} + 47 x + 15

foki y=x^2-4x+4

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

f oc i y^{2} + 36 x = 0

f oc i \frac{x ^{2}}{2}