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.

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asked May 20, 2022 32.2k views

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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.

Mathematics
high-school

Keselme asked

by Keselme

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2 Answers

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Answer:

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

Explanation:

Ben Cottrell answered May 20, 2022

by Ben Cottrell

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2 votes

Answer:

x=-2

Explanation:

Gpresland answered May 24, 2022

by Gpresland

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