Y=1/20x^2
The directrix of the parabola is:
x=-5
x=5
y=-5

what the question so we can you out

1/4 and 8/3 because:

the reciprocal if 4 is 1/4 because 4 is used as 4/1 and the opposite of that is 1/4. the opposite of 3/8 is 8/3 so that is the answer.

answer;

the correct answer

just use google you beautiful person.

have a nice day < 3

nlgqer

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