4. Linear Equations in Two Variables
easy

ક્યા સુરેખ સમીકરણનો ઉકેલ $x=5, y=2$ છે.......... 

A

$x + 2 y = 7$

B

$5x + 2y = 7$

C

$x + y = 7$

D

$5 x + y = 7$

Solution

Quadrant $I$ consist of all points $(x, y)$ for which the $x$ and $y$ are positive.

So, the positive solution of the equation $ax + by + c =0$ always lie in the $I^{st}$ quadrant.

Standard 9
Mathematics

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