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Given a parabola with the vertex at the origin and the directrix at x=7 determine the direction the parabola opens. A. down B. left C. right D. up
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Given a parabola with the vertex at the origin and the directrix at x=7 determine the direction the parabola opens. A. down B. left C. right D. up

User Rick Stanley
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4 votes
i think the answer is b but im not sure
User Pwnstar
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4 votes
It will open to the left

because the directrix is a vertical line through x=7 and the focus will be on negative side of the x axis
User JimJty
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6.0k points
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