A parabola can be drawn given a focus of \( ( 6 , - 11 ) \) and a directrix of \( y = - 3 \) . What can be said about the parabola?
Pregunta
Answer
The standard form is \( y = - \frac { x } { 16 } + \frac { 3 x } { 4 } - \frac { 37 } { 4 } \) .
The general form is \( - x ^ { 2 } + 12 x - 16 y - 148 = 0 \)
The vertex form is \( y = - \frac { ( x - 6 ) ^ { 2 } } { 16 } - 7 .\)
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