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The parabola x^2 = ay is symmetric about x-axis.

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in Engineering Drawing by (687k points)
The parabola x^2 = ay is symmetric about x-axis.

(a) True

(b) False

I got this question during an interview.

My doubt is from Construction of Parabola in portion Geometrical Construction of Engineering Drawing

1 Answer

+2 votes
by (1.4m points)
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Best answer
Right answer is (b) False

To explain I would say: From the given parabolic equation x^2 = ay we can easily say if we give y values to that equation we get two values for x so the given parabola is symmetric about y-axis. If the equation is y^2 = ax then it is symmetric about x-axis.

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