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Beliebt Geometry >

leitkurve y=+x^2-3

Lösung

leitkurve

y = + x^{2} - 3

Lösung

y = - \frac{13}{4}

Schritte zur Lösung

Rewrite

y = x^{2} - 3

in the standard form:

4 \cdot \frac{1}{4} (y - (- 3)) = (x - 0)^{2}

(h, k) = (0, - 3), p = \frac{1}{4}

Parabola is symmetric around the y-axis and so the directrix is a line parallel to the x-axis, a distance

- p

from the center

(0, - 3)

y-coordinate

y = - 3 - p

y = - 3 - \frac{1}{4}

Fasse zusammen

y = - \frac{13}{4}

Graph

Beliebte Beispiele

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d i rec t r i x y = x^{2} - 6 x + 5

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