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Beliebt Geometry >

leitkurve y=-4x^2-4

Lösung

leitkurve

y = - 4 x^{2} - 4

Lösung

y = - \frac{63}{16}

Schritte zur Lösung

Rewrite

y = - 4 x^{2} - 4

in the standard form:

4 (- \frac{1}{16}) (y - (- 4)) = (x - 0)^{2}

(h, k) = (0, - 4), p = - \frac{1}{16}

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, - 4)

y-coordinate

y = - 4 - p

y = - 4 - (- \frac{1}{16})

Fasse zusammen

y = - \frac{63}{16}

Graph

Beliebte Beispiele

leitkurve (x-4)^2=-8(y+3)

d i rec t r i x (x - 4)^{2} = - 8 (y + 3)

leitkurve y^2+33=-8x-23

d i rec t r i x y^{2} + 33 = - 8 x - 23

leitkurve-x^2+1

d i rec t r i x - x^{2} + 1

leitkurve-x^2+7

d i rec t r i x - x^{2} + 7

leitkurve y=-16x^2+16x+480

d i rec t r i x y = - 16 x^{2} + 16 x + 480