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4. Linear Equations in Two Variables
easy
उस सरल रेखा से निरूपित समीकरण का आलेख खींचिए जो $x-$ अक्ष के समांतर है तथा उससे $4$ मात्रक ऊपर है।
Option A
Option B
Option C
Option D
Solution

Any straight line parallel to $x$ -axis is given by $y=k,$ where $k$ is the distance of the line from the $x$ -axis.
Here $k=4 .$ Therefore, the equation of the line is $y=4.$
To draw the graph of this equation, plot the points $(1,4)$ and $(2,4)$ and join them. This is the required graph (see $Fig.$).
Standard 9
Mathematics