3 / 60 = 180
24:180
6:45
3:15
1:5
Hi i a doing the same thing and i have the answer as a hope this helps
Answer:
7(−x−1)(x−3)
Step-by-step explanation:
The directrix of the parabola is 
<h3>How to determine the equation of the directrix?</h3>
The parabola equation is given as:

A parabola is represented as:

By comparing both equations, we have:
4p = 1/4 ==> p = 1/16
-k= 3 ==> k = -3
The directrix is represented as:
y = k - p
So, we have:

Take the LCM

Evaluate

Hence, the directrix of the parabola is 
Read more about parabola at:
brainly.com/question/1480401
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