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Question
From the choices given below, choose the equation whose graph is given in Fig. below.
(i) y = x (ii) x + y = 0 (iii) y = 2x (iv) 2 + 3y = 7x
[Hint: Clearly, (-1, 1) and (1, -1) satisfy the equation x + y = 0]
Solution
Clearly (-1 , 1 ) and ( 1, -1) satisfy the equation x + y = 0
∴ The equation whose graph is given by x + y = 0
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