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Asked Dec 25, 2019
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If the axis of symmetry of a parabola is given by x = 4, is it possible for the directrix to have the equation x = 3? Explain.

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The symmetry of parabola is x= 4. Is it possible for the directrix to have the equation x=3. Note that the axis of symmetry is parallel to the y-axis. Therefore, the parabola will be open upwards or downwards.

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