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4. Linear Equations in Two Variables
easy
જે સુરેખ સમીકરણના ઉકેલો $(-2, 2), (0, 0)$ અને $(2, -2)$ હોય, તેનું સ્વરૂપ ......
A
$y -x = 0$
B
$x -2 y = 0$
C
$-2x + y = 0$
D
$x + y = 0$
Solution
The points $(-2, 2)$ and $(2, -2)$ have $x$ and $y$ coordinates of opposite signs. Also, any point on the graph of $x + y = 0$
i.e., $y = -x$ will have $x$ and $y$ coordinate of opposite signs. The Point $(0, 0)$ also satisfies $x + y = 0.$
Standard 9
Mathematics
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