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Beliebt Geometry >

leitkurve y=-x^2-6x-7

Lösung

leitkurve

y = - x^{2} - 6 x - 7

Lösung

y = \frac{9}{4}

Schritte zur Lösung

Rewrite

y = - x^{2} - 6 x - 7

in the standard form

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

(h, k) = (- 3, 2), 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

(- 3, 2)

y-coordinate

y = 2 - p

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

Fasse zusammen

y = \frac{9}{4}

Graph

Beliebte Beispiele

leitkurve 2x^2-13x-7

d i rec t r i x 2 x^{2} - 13 x - 7

leitkurve (x^2x^1)/x

d i rec t r i x \frac{x ^{2} x ^{1}}{x}

leitkurve (x+1)^2

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

leitkurve 2y^2+x+20y+51=0

d i rec t r i x 2 y^{2} + x + 20 y + 51 = 0

leitkurve-8(x-5)=(y+1)^2

d i rec t r i x - 8 (x - 5) = (y + 1)^{2}