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Beliebt Geometry >

foki y=+x^2-2x-3

Lösung

foki

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

Lösung

(1, - \frac{15}{4})

Schritte zur Lösung

Rewrite

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

in the standard form

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

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

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

p

from the center

(1, - 4)

along the y-axis

(1, - 4 + p)

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

Fasse zusammen

(1, - \frac{15}{4})

Graph

Beliebte Beispiele

f oc i y = x^{2} - 5 x 3

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

foki x=((y-3)^2)/8+5

f oc i x = \frac{( y - 3 ) ^{2}}{8} + 5

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

foki y=+1/7 x^2

f oc i y = + \frac{1}{7} x^{2}