2/8 and 4/16 are equivalent to 1/4
The equation of the parabola is:

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The <em>equation </em>of a parabola of vertex (h,k) and focus (0,f) is given by:

- Vertex at the origin means that
. - Focus (0,6) means that

Thus, the equation of the parabola is:



A similar problem is given at brainly.com/question/15165354
X² - 4x - 77 = 0
( x + 7) ( x - 11)
x + 7 = 0
x - 11 = 0
x = -7
x = 11
1/2 = 0.5
4/6 =0.67
3/8=0.375
1/3=0.33
2/5=0.4
There fore 1/2 is bigger :)