How do you graph the standard form of a parabola with vertex at (-1, 3) and focus at (-1, 5)

step-by-step explanation:

i think you should think about the question and not look online.

the function makes a strait line horizontally with no x intercept but a y intercept at 9.

fwms@lil_ben06

step-by-step explanation:

geometry: triangles

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call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

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