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Given: The equation of a parabola is x2 = 8y. Step 3: Where does the directrix for the given parabola lie? Enter the equation for the directrix line. Use your keyboard and the k…

Given: The equation of a parabola is x2 = 8y. Step 3: Where does the directrix for the given parabola lie? Enter the equation for the directrix line. Use your keyboard and the k…
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Given: The equation of a parabola is x2 = 8y.

Step 3: Where does the directrix for the given parabola lie? Enter the equation for the directrix line. Use your keyboard and the keypad to enter your answer. Then click Done.

asked
User Keselme
by
7.6k points

2 Answers

5 votes

Answer:

Since a = 2, the equation for the directrix line will be y = −2.

Explanation:

answered
User Ben Cottrell
by
8.6k points
2 votes

Answer:

x=-2

Explanation:

answered
User Gpresland
by
8.2k points
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