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from , Jharsuguda

Subject :IMO Class : Class 9

A straight line parallel to the y-axis has equation ______.

A x = a
B y = a
C y = x
D y = –x

Ans 1:

Kenil Vrajeshkumar Gandhi from ,

PARI KHANNA from Somerville school, Noida

I think it should be x=0 and not x=a.