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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.

User Keselme
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2 Answers

5 votes

Answer:

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

Explanation:

User Ben Cottrell
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2 votes

Answer:

x=-2

Explanation:

User Gpresland
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