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The equation $x = 3$ represents a line that is:

Class 9Graph of a Linear EquationLinear Equations

Aparallel to the $y$ -axis
Bparallel to the $x$ -axis
Cpassing through the origin
Dthe $x$ -axis itself

Step-by-Step Solution

x = 3

fixes

x

at 3 for all

y

, giving a vertical line 3 units right of the

y

-axis, hence parallel to the

y

-axis.

Answer: A) parallel to the

y

-axis

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