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Vertex, focus, directrix question (1 Viewer)
- Thread starter BlueGas
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keepLooking
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It is by completing the square.
RecklessRick
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rearrange equation to x^2 - 6x = 8y + 7I need help with this question, how did they rearrange the equation? Because I don't even know how they got the equation in the first line of the solutions.
Then complete the square by adding 9 to both sides so
x^2 - 6x + 9 = 8y + 7 + 9