Question

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.

Answer 1

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

Explanation:

Answer 2

x=-2

Explanation: