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Algebra
Question

Which of the following equations is the equation o...

Which of the following equations is the equation of the parabola that has a vertex at \( ( 2,1 ) \) and a directrix formed by the equation \( x = - 2 ? \) (Enter \( A \) , B, C or \( D . ) \) 

A.\( ( y + 2 ) = 4 ( x + 1 ) ^ { 2 } \) 

B. \( ( x + 2 ) = ( y + 2)^2\) 

C. \( ( y - 1 ) ^ { 2 } = 16 ( x - 2 ) \) 

D. \( ( x - 1 ) ^ { 2 } = - 4 ( y - 2)\) 

Answer

B

Solution
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