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Beliebt Geometry >

leitkurve y=-((x+3)^2)/(20)+1

Lösung

leitkurve

y = - \frac{( x + 3 ) ^{2}}{20} + 1

Lösung

y = 6

Schritte zur Lösung

Rewrite

y = - \frac{( x + 3 ) ^{2}}{20} + 1

in the standard form:

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

(h, k) = (- 3, 1), p = - 5

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, 1)

y-coordinate

y = 1 - p

y = 1 - (- 5)

Fasse zusammen

y = 6

Graph

Beliebte Beispiele

leitkurve x^2-6x+10

d i rec t r i x x^{2} - 6 x + 10

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d i rec t r i x y = 4 x^{2} + 2 x + 4

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d i rec t r i x y = 2 x^{2} - 3 x

leitkurve 2x^2-2

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

leitkurve x^2+x+1

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