If any number or fraction is divided by a fraction , we multiply the dividend by the reciprocal of the divisor. Reciprocal of any number or fraction can be obtained by interchanging thepositionofnumeratoranddenominator .
To multiply one fraction by another , multiply the numerators for the numerator and multiply the denominators for its denominator
The focus is left of the vertex, so the parabola opens to the left. The vertex is halfway between the focus and directrix, so the directrix is the vertical line x = 2